Ellis Louis Mashburn, Jr. v. Commissioner, Alabama Department of Corrections

[PUBLISH]
In the
United States Court of Appeals
For the Eleventh Circuit
____________________
No. 22-10329
____________________
ELLIS LOUIS MASHBURN, JR.,
Petitioner-Appellant,
versus
COMMISSIONER, ALABAMA DEPARTMENT OF
CORRECTIONS,
Respondent-Appellee.
____________________
Appeal from the United States District Court
for the Northern District of Alabama
D.C. Docket No. 1:14-cv-01829-LSC
____________________
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 1 of 25

-- 1 of 25 --

2 Opinion of the Court 22-10329
Before W ILSON , J ORDAN , and R OSENBAUM, Circuit Judges.
W ILSON , Circuit Judge:
Ellis Mashburn, Jr. appeals the district court’s denial of his
petition for habeas corpus. After reviewing this case’s extensive
record, and with the benefit of oral argument, we affirm.
I. Background
A. Facts
As with all convictions that result in the ultimate punish-
ment, the facts underlying this case are heart-wrenching from any
perspective. In 2006, Mashburn pleaded guilty to, and was subse-
quently found guilty of, murdering his grandmother and step-
grandfather.1 Like the Alabama Court of Criminal Appeals
(ACCA), Mashburn v. State, 148 So. 3d 1094, 1103–04 (Ala. Crim.
App. 2013) (Mashburn I), and the federal district court after it, Mash-
burn v. Dunn, No. 1:14-cv-01829, 2021 WL 1208868, at *1–2 (N.D.
Ala. Mar. 31, 2021) (Mashburn II), we recite the facts as they were
1 Alabama law dictates that when a defendant pleads guilty to a capital offense
and the State seeks the death penalty, the defendant’s plea is only evidence of
guilt. See Ala. Code § 13A-5-42 (“A defendant who is indicted for a capital of-
fense may plead guilty to it, but the state, only in cases where the death penalty
is to be imposed, must prove the defendant’s guilt of the capital offense be-
yond a reasonable doubt to a jury. The guilty plea may be considered in de-
termining whether the state has met that burden of proof.”).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 2 of 25

-- 2 of 25 --

22-10329 Opinion of the Court 3
stated in the Alabama trial court’s amended sentencing memoran-
dum.2
1. [Mashburn], while accompanied by at least one
other individual, went to the home of Henry Owen
Birmingham, Jr., and Clara Eva Birmingham in the
late afternoon or early evening hours of October 29,
200[2]. The apparent reason for the visit was for the
purpose of the theft of property and perhaps for the
purpose of confronting Henry Owen Birmingham,
Jr. In any event, the Birmingham home was invaded
either by force or by the application of force to an oc-
cupant after entry by [Mashburn] as proven by trace
evidence recovered. By testimony presented by a wit-
ness to whom [Mashburn] had said to have confessed,
he and his accomplice, Tony Brooks, were armed
with at least a knife and a hatchet.
2. The fact that certain items of personal property,
namely jewelry, of Clara Eva Birmingham were re-
covered from or were traceable to [Mashburn] after
the home invasion, the reasonable inference is that
[Mashburn] went to the Birmingham residence for
the purpose of obtaining money or things of value.
2 The ACCA determined that the first sentencing memorandum was not in
compliance with Alabama Code § 13A-5-47 (requiring trial courts to “enter
specific written findings concerning the existence or nonexistence” of aggra-
vating and mitigating circumstances). The ACCA remanded the case back to
the trial court for more detailed, written fact-finding.
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 3 of 25

-- 3 of 25 --

4 Opinion of the Court 22-10329
3. The bodies of Henry Owen Birmingham, Jr., and
Clara Eva Birmingham were transported to the
Cooper Green Hospital forensic autopsy facility
where they were each subjected to a post-mortem ex-
amination by Dr. Joseph Embry, State Medical Exam-
iner. The results of the autopsies were that each vic-
tim died from multiple stab and sharp instrument
wounds and blunt-force trauma to the head. Crime
scene photographs, autopsy photographs and the tes-
timony of Dr. Embry showed that each victim suf-
fered repeated wounds from a knife or knife-like in-
strument, that the wounds were vicious and delivered
in such a way as to indicate an attack whereby each
defended themselves and were obviously aware of the
extent and nature of the attack and their impending
deaths. The crime scene, too, indicated that both vic-
tims resisted attack and bore witness to the violence
associated with their deaths.
4. Whether either victim was able to appreciate the
plight and suffering of the other or not, the crime
scene and the autopsy findings clearly indicate each
would have been aware of the soon-to-be-fatal assault
being committed upon them individually.
5. Other than [Mashburn’s] plea of guilty, the most
compelling evidence was the DNA analysis and com-
parison of crime scene blood with that of [Mashburn]
and the testimony of a former cellmate of [Mash-
burn], Michael Wayne Simpson. Four blood traces re-
covered from the scene, three in the master bedroom
and one from the wall in the den, matched that of the
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 4 of 25

-- 4 of 25 --

22-10329 Opinion of the Court 5
Defendant, Ellis Mashburn, with a computed popula-
tion frequency of 1:1.2 quintillion non-related white
individuals and 1:1.3 quintillion non-related black in-
dividuals. To strengthen the connection of the trace
evidence recovered, [Mashburn] was observed to have
a fresh laceration on his left hand that he stated he
had himself sewed up after “cutting it on a fence” at
his residence. Additionally, Michael Wayne Simpson
testified that [Mashburn] had confessed to him about
the killing of his grandmother and step-grandfather
while accompanied by Tony Brooks. His testimony
relating what he stated was told to him was con-
firmed by various aspects of the crime scene.
B. Procedural History
Mashburn was convicted on five counts of capital murder,
including murdering Mr. and Mrs. Birmingham in the course of a
robbery, Ala. Code § 13A-5-40(a)(2) (Counts 1–2); murdering Mr.
and Mrs. Birmingham in the course of a burglary, Ala. Code § 13A-
5-40(a)(4) (Counts 3–4); and murdering two people by one act or
pursuant to a single scheme or course of conduct, Ala. Code § 13A-
5-40(a)(10) (Count 5). Mashburn I, 148 So. 3d at 1102. A penalty-
phase jury unanimously concluded in a special verdict that Mash-
burn’s crimes “were especially heinous, atrocious or cruel when
compared to other capital offenses” and voted eleven-to-one to rec-
ommend a sentence of death—a recommendation that the trial
court adopted. Mashburn II, 2021 WL 1208868, at *3.
In its amended sentencing memorandum, the trial court
identified ten mitigating circumstances that were proven during
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 5 of 25

-- 5 of 25 --

6 Opinion of the Court 22-10329
the proceedings: 1) acceptance of legal responsibility; 2) no signifi-
cant criminal history; 3) Mashburn’s young age (24) at the time of
the offenses; 4) “a stormy and dysfunctional family life” and a
“more probable than not” chance that Mashburn was “the victim
of psychological and physical abuse and was not properly protected
by his mother from those intra-family problems”; 5) untreated at-
tention deficit disorder or attention deficit hyperactivity disorder
that resulted in significant educational and behavioral issues; 6) a
familial predisposition to mental, social, and substance-abuse issues
and substance abuse early in life and at or near the time of the
crime; 7) family reports of a difficult birth that resulted in anoxia at
the time of delivery (though this circumstance was largely im-
peached by Alabama “but [was] given appropriate consideration by
the Court”); 8) mental health issues (like hearing voices) that went
unaddressed; 9) Mashburn was loved by his family; and 10) “[t]hat
life without possibility of parole means life without possibility of
parole.” The trial court also noted that the jury’s verdict—eleven-
to-one in favor of death—was not unanimous and that “[m]ental
health experts opined that [Mashburn] had a decreased intellectual
function likely caused by poly-substance abuse and alleged physical
trauma,” although the court found that the “trauma was not objec-
tively demonstrated.”
The trial court also determined that four aggravating cir-
cumstances were proven beyond a reasonable doubt: 1) the capital
offenses were committed in the course of a burglary; 2) the capital
offenses were committed in the course of a robbery; 3) the capital
offenses were “especially heinous, atrocious or cruel compared to
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 6 of 25

-- 6 of 25 --

22-10329 Opinion of the Court 7
other capital offenses”; and 4) Mashburn “intentionally caused the
death of two or more persons pursuant to one scheme or course of
conduct.”
The trial court concluded “that the evidence clearly supports
the Jury’s verdicts in this case and, in particular, the Jury’s recom-
mendation of a sentence of death.” The trial court then stated that
it “is independently of the opinion and finds that the aggravating
circumstances in this case clearly outweigh the mitigating ones pre-
sented, that the earlier-imposed sentence of death in this case was
and is appropriate under Alabama’s guided sentencing scheme and
that there has been no reason demonstrated that any other sen-
tence would be warranted.”
Mashburn’s convictions and sentence were affirmed by the
ACCA, and both the Supreme Court of Alabama and the Supreme
Court of the United States denied certiorari. Mashburn v. State, 7
So. 3d 453 (Ala. Crim. App. 2007), cert. denied October 24, 2008;
Mashburn v. Alabama, 556 U.S. 1270 (2009) (mem.).
After exhausting his direct appeals, Mashburn filed a petition
for postconviction relief under Alabama Rule of Criminal Proce-
dure 32.3 See Am. Pet. For Relief from J. Pursuant to Rule 32.1(f)
3 In both his Rule 32 petition and his subsequent federal habeas petition, Mash-
burn raised a number of claims, covering both the guilt and penalty phases of
his trial. All of these claims were dismissed by the ACCA and the district court
for various reasons. See Mashburn I, 148 So. 3d at 1162; Mashburn II, 2021 WL
1208868, at *41. The review that follows, however, is limited to the issues
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 7 of 25

-- 7 of 25 --

8 Opinion of the Court 22-10329
of the Ala. Rules of Criminal Procedure (Rule 32 Petition), Mash-
burn v. State, 148 So. 3d 1094 (Ala. Crim. App. 2013) (No. CR-11-
0321). In his petition to the state circuit court, Mashburn alleged
that his penalty-phase counsel were constitutionally ineffective, in
violation of Strickland v. Washington, 466 U.S. 668 (1984). Specifi-
cally, Mashburn first argued that his counsel were ineffective for
failing to present evidence that he was under the influence of drugs
(methamphetamine and prescription drugs) and was without sleep
for numerous days at the time of the crimes. See Rule 32 Petition,
¶ 224. Mashburn claimed that counsel should have presented this
information along with evidence about how drug use and sleep
deprivation would have affected his mental state during the com-
mission of the crimes. Id. ¶ 226. Second, Mashburn pointed out
that Dr. Thomas Sachy, a clinical neuropsychiatrist, testified that
Mashburn had “some form of bipolar disorder.” Id. ¶ 255. Mash-
burn argued that his counsel were ineffective for not pushing fur-
ther and offering medical evidence about how this disorder could
have caused involuntary and combative behavior on the night of
the murders. Id. ¶ 258.
Mashburn requested discovery, but a little over a week later,
Alabama filed a motion requesting that the circuit court withhold
ruling on Mashburn’s request because his claims were due to be
delineated in the certificate of appealability. See Freeman v. Comm’r, Ala. Dep’t
of Corr., 46 F.4th 1193, 1215 (11th Cir. 2022).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 8 of 25

-- 8 of 25 --

22-10329 Opinion of the Court 9
dismissed. Mashburn I, 148 So. 3d at 1104. The circuit court agreed
with Alabama and summarily dismissed Mashburn’s petition. Id.4
The ACCA affirmed the dismissal. Id. at 1162. As we will
detail more below, the ACCA determined that Mashburn failed to
plead his claims with sufficient specificity to satisfy Alabama Rules
of Criminal Procedure 32.35 and 32.6(b).6 Id. at 1153, 1158–59. For
both claims, the ACCA took particular issue with Mashburn’s fail-
ure to 1) identify an expert or lay person who would have testified
had they been solicited, and 2) describe what the testimony of those
individuals would have been. Id. at 1158–59; see also Windsor v.
State, 89 So. 3d 805, 813–14 (Ala. Crim. App. 2009) (concluding that
summary dismissal was appropriate where the defendant did not,
in part, “specifically identify any experts counsel could have called
and did not set forth specifically what their testimony would have
4 For reasons unknown, the parties were not notified about the summary dis-
missal for around a year, which under Alabama Rules, would ordinarily bar an
appeal. Mashburn II, 2021 WL 1208868, at *4; Ala. R. Crim. P. 32.2(c). Once
Mashburn was finally informed, and without opposition from Alabama, he
filed a petition seeking an out-of-time appeal under Alabama Rule of Criminal
Procedure 32.1(f). Mashburn II, 2021 WL 1208868, at *4. The ACCA granted
the petition.
5 Alabama Rule of Criminal Procedure 32.3 states that “[t]he petitioner shall
have the burden of pleading and proving by a preponderance of the evidence
the facts necessary to entitle the petitioner to relief.”
6 Alabama Rule of Criminal Procedure 32.6 states that “[e]ach claim in the pe-
tition must contain a clear and specific statement of the grounds upon which
relief is sought, including full disclosure of the factual basis of those grounds.
A bare allegation that a constitutional right has been violated and mere con-
clusions of law shall not be sufficient to warrant any further proceedings.”
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 9 of 25

-- 9 of 25 --

10 Opinion of the Court 22-10329
been”). The Supreme Court of Alabama denied Mashburn’s peti-
tion for a writ of certiorari. Mashburn II, 2021 WL 1208868, at *4.
Mashburn next took his claims to federal court by filing a
petition for habeas corpus under 28 U.S.C § 2254. See id. at *1. The
district court made rather quick work of Mashburn’s claims. First,
the district court found that Mashburn “alleged many claims in his
habeas petition without citing case authority, discussing record ev-
idence, or replying to Respondents’ contentions about dismissal.”
Id. at *11. Interestingly, the district court couched its decision
about Mashburn’s pleadings in the language of abandonment by
holding that “[c]onsistent with his silence, Mashburn has abandoned
those portions of his petition or waived the right to pursue them as
habeas claims.” Id. (emphasis added) (citing Tharpe v. Humphrey,
No. 5:10-cv-433, 2014 WL 897412, at *3 n.4 (M.D. Ga. Mar. 6.,
2014), aff’d sub nom. Tharpe v. Warden, 834 F.3d 1323 (11th Cir.
2016)).
As an alternative to its abandonment holding, the district
court held that Mashburn’s petition was too “conclusory” to show
why the ACCA’s decision was “contrary to, or involved an unrea-
sonable application of, clearly established Supreme Court prece-
dent” or was “based on unreasonable factual findings” as required
by the Antiterrorism and Effective Death Penalty Act (AEDPA), 28
U.S.C. § 2254(d). Id.7 Thus, the district court dismissed Mashburn’s
7 See also id. at *41 (“With the exception of one procedurally-defaulted ineffec-
tiveness allegation, the substance of Mashburn’s Rule 32 and § 2254 assertions
are the same. Akin to the ACCA’s assessment of Mashburn’s exhausted Rule
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 10 of 25

-- 10 of 25 --

22-10329 Opinion of the Court 11
claims “as abandoned or unproven on habeas review.” Id. And,
finding that Mashburn had failed to make a viable federal habeas
claim, the district court also denied Mashburn’s requests for an ev-
identiary hearing and a certificate of appealability (COA). Id. at
*40–42.8
Mashburn filed a motion to alter or amend judgment under
Federal Rule of Civil Procedure 59(e), which the district court de-
nied. In its order, the district court first defended its abandonment
holding. Then, responding to Mashburn’s request that it address
his claims on the merits, the district court maintained that it had
already made an “alternative merits-based holding that [Mashburn]
failed to prove a right to relief under AEDPA on those allegations
adjudicated in state court.” The district court explained that the
“thrust of this holding is that despite the attachment of AEDPA def-
erence to those allegations which the state courts rejected substan-
tively, Mashburn sought habeas relief without asserting anything
to satisfy his stringent adjudicated burden or resist a § 2254 dismis-
sal in reply.” After further analysis, the district court again denied
Mashburn’s requests for an evidentiary hearing and a COA.
32 allegations, this Court finds that Mashburn’s § 2254 allegations, even ac-
cepted as true, lack the requisite factual and legal specificity to substantiate an
entitlement to habeas relief.”).
8 A COA permits a plaintiff to appeal a final order of a district court in a habeas
corpus proceeding. 28 U.S.C. § 2253(c)(1). “A [COA] may issue under para-
graph (1) only if the applicant has made a substantial showing of the denial of
a constitutional right.” Id. § 2253(c)(2).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 11 of 25

-- 11 of 25 --

12 Opinion of the Court 22-10329
Mashburn then filed a motion for a COA with this court,
which we granted. In the COA, we identified three issues:
(1) Whether Mashburn’s trial counsel provided inef-
fective assistance, pursuant to Strickland v. Washington,
466 U.S. 668 (1984), in the penalty phase of his trial by
failing to present evidence regarding his state of mind
at the time of the crimes;
(2) Whether Mashburn’s trial counsel provided inef-
fective assistance, pursuant to Strickland, 466 U.S. at
668, in the penalty phase of his trial by failing to pre-
sent medical evidence regarding his bipolar disorder
diagnosis; and
(3) Whether Mashburn was entitled to an evidentiary
hearing in the district court.
II. Ineffective Assistance of Counsel: COA Issues 1 and 2
A. Law
“We review de novo a district court’s denial of habeas relief
on an ineffective-assistance-of-counsel claim, which presents a
mixed question of law and fact.” Pye v. Warden, Ga. Diagnostic
Prison, 50 F.4th 1025, 1034 (11th Cir. 2022) (en banc).9
9 Although Mashburn has filed two (nearly identical) petitions as part of his
postconviction efforts—his state Rule 32 petition and his federal § 2254 habeas
petition—our review focuses on the adequacy of the former. Frazier v. Bou-
chard, 661 F.3d 519, 527–28 (11th Cir. 2011) (citing Cullen v. Pinholster, 563 U.S.
170, 181 (2011) (“We now hold that review under § 2254(d)(1) is limited to the
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 12 of 25

-- 12 of 25 --

22-10329 Opinion of the Court 13
To establish counsel was constitutionally ineffective under
Strickland, a petitioner must show that 1) his counsel’s performance
was deficient, and 2) the deficient performance was prejudicial.
Strickland, 466 U.S. at 687.
To prove deficiency, a petitioner must demonstrate that “in
light of all the circumstances, the identified acts or omissions [of
counsel] were outside the wide range of professionally competent
assistance.” Id. at 690; see also Perkins v. United States, 73 F.4th 866,
879 (11th Cir. 2023) (stating a petitioner “must establish that no
competent counsel would have taken the action that his counsel
did take”). This is an objective assessment, and we start from a
presumption that counsel’s conduct was reasonable. Strickland,
466 U.S. at 690.
To establish prejudice, a petitioner must show “there is a
reasonable probability that, but for counsel’s unprofessional errors,
the result of the proceeding would have been different.” Strickland,
466 U.S. at 694. Here, “the question is whether there is a reasona-
ble probability that, absent the errors, the sentencer—including
[this] court, to the extent [we] independently reweigh[] the evi-
dence—would have concluded that the balance of aggravating and
mitigating circumstances did not warrant death.” Id. at 695; see also
Gavin v. Comm’r, Ala. Dep’t of Corr., 40 F.4th 1247, 1263 (11th Cir.
2022). So, to determine the reasonable probability of a different
result, we must “consider ‘the totality of the available mitigation
record that was before the state court that adjudicated the claim on the mer-
its.”)).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 13 of 25

-- 13 of 25 --

14 Opinion of the Court 22-10329
evidence—both that adduced at trial, and the evidence adduced in
the habeas proceeding’—and ‘reweigh it against the evidence in ag-
gravation.’” Porter v. McCollum, 558 U.S. 30, 41 (2009) (per curiam)
(alteration adopted) (quoting Williams v. Taylor, 529 U.S. 362, 397–
98 (2000)). The Supreme Court defines “reasonable probability” as
“a probability sufficient to undermine confidence in the outcome”
of the proceeding. Strickland, 466 U.S. at 694. This “requires a ‘sub-
stantial,’ not just ‘conceivable,’ likelihood of a different result.” Pin-
holster, 563 U.S. at 189 (quoting Harrington v. Richter, 562 U.S. 86,
112 (2011)).
On its own, “[s]urmounting Strickland’s high bar is never an
easy task.” Padilla v. Kentucky, 559 U.S. 356, 371 (2010). But our
review here is subject to an AEDPA filter. AEDPA only permits a
federal court to grant a writ of habeas corpus with respect to a
claim “adjudicated on the merits” in a state court if that adjudica-
tion “resulted in a decision that was contrary to, or involved an un-
reasonable application of, clearly established Federal law, as deter-
mined by the Supreme Court of the United States,” 28 U.S.C.
§ 2254(d)(1), or “resulted in a decision that was based on an unrea-
sonable determination of the facts in light of the evidence pre-
sented in the State court proceeding,” id. § 2254(d)(2).10
10 The state court dismissed Mashburn’s petition for noncompliance with Ala-
bama Rule of Criminal Procedure 32.6(b). We have held that “state court
summary dismissals of . . . constitutional claims under Rule 32.6(b) [are] adju-
dications on the merits, and are therefore . . . subject to review under
AEDPA.” Borden v. Allen, 646 F.3d 785, 808 (11th Cir. 2011).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 14 of 25

-- 14 of 25 --

22-10329 Opinion of the Court 15
Relevant here, “[t]o meet the ‘unreasonable application’
standard, ‘a prisoner must show far more than that the state court’s
decision was merely wrong or even clear error.’” Pye, 50 F.4th at
1034 (quoting Shinn v. Kayer, 141 S. Ct. 517, 523 (2020) (per cu-
riam)). Instead, “a state prisoner must show that the state court’s
ruling on the claim being presented in federal court was so lacking
in justification that there was an error well understood and com-
prehended in existing law beyond any possibility for fairminded
disagreement.” White v. Woodall, 572 U.S. 415, 419–20 (2014) (quot-
ing Harrington, 562 U.S. at 103).
“Applying AEDPA to Strickland’s prejudice standard, we
must decide whether the state court’s conclusion that [counsel’s]
performance at the sentencing phase . . . didn’t prejudice him—
that there was no ‘substantial likelihood’ of a different result—was
‘so obviously wrong that its error lies beyond any possibility for
fairminded disagreement.’” Pye, 50 F.4th at 1041–42 (quoting Shinn,
141 S. Ct. at 523–24). We apply this framework below.
B. Mashburn’s Claims
Mashburn first argues that his counsel were deficient during
the penalty phase of his trial because, despite knowing Mashburn
was 1) high on methamphetamine and prescription drugs and 2)
without sleep for four to five days at the time of the crimes, they
“failed to seek aid from a medical expert to investigate the potential
effects both lack of sleep and abuse of prescription drugs would
have on one’s ability to control one’s actions and think clearly.” See
Rule 32 Petition, ¶ 224, 226. Without citation, Mashburn opines
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 15 of 25

-- 15 of 25 --

16 Opinion of the Court 22-10329
that “[l]ack of sleep joined with the use of prescription drugs is
likely to have an effect on one’s behavior and mental state.” Id.
¶ 225. 11 Finally, Mashburn suggests that evidence of his intoxica-
tion could have been used to disprove the existence of the mental
state required for the prosecution’s aggravating factors of robbery
and burglary, and “may have influenced the jury in their consider-
ation of the prosecution’s other aggravating factors.” Id. ¶ 227.
Second, Mashburn claims that his penalty-phase counsel
performed deficiently by failing to present evidence to support tes-
timony about his bipolar disorder. As described earlier, Mashburn
notes that a clinical neuropsychiatrist, Dr. Thomas Sachy, “testified
that Mr. Mashburn has some form of bipolar disorder as well as
brain damage leading to a behavior disorder.” Id. ¶ 255. Mashburn
adds the following allegations:
[Trial counsel] did not present evidence that bolstered
Dr. Sachy’s diagnosis of bipolar disorder in Mr. Mash-
burn. They did not explain the relationship of Mr.
Mashburn’s psychiatric disease to his crime. Children
with bipolar disorder, the disease Dr. Sachy diagnosed
Mr. Mashburn as suffering from, are known to hear
voices, as Mr. Mashburn has throughout his life. Chil-
dren with bipolar disorder often begin abusing sub-
stances at an early age to cope with their psychiatric
symptoms as Mr. Mashburn did. Bipolar disorder also
11 As the ACCA noted, Mashburn did not identify the names of any medical
experts who would have testified at his trial had they been contacted, nor did
he supply evidence of what information experts might have provided.
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 16 of 25

-- 16 of 25 --

22-10329 Opinion of the Court 17
causes impulsivity and episodic extreme dyscontrol,
which can lead to unpredictable, involuntary com-
bative behavior.
Id. ¶ 258.12
Alluding to the amended sentencing memorandum, Mash-
burn highlights the trial court’s finding that “[m]ental health ex-
perts opined that [Mashburn] had a decreased intellectual function
likely caused by poly-substance abuse and physical trauma, which
trauma was not objectively demonstrated.” While the trial court
recognized that Mashburn’s counsel presented evidence in support
of this mitigating factor, it did not find the factor to be proven be-
yond a reasonable doubt. Mashburn contends that more evidence
about the effects of bipolar disorder would have strengthened this
factor’s influence.
C. Discussion
We start by addressing Alabama’s contention that Mashburn
waived any challenge to the district court’s initial holding that he
abandoned the claims listed in the COA.13 Alabama argues that
12 Again, beyond referencing Dr. Sachy’s diagnosis and making claims about
the effects of bipolar disorder, Mashburn did not provide the names of any
experts who would have testified had they been contacted by his counsel, nor
did he file additional evidence of what the expert testimony would have been.
13 See Question from Judge Wilson at Oral Argument at 32:17, Mashburn v.
Alabama, (No. 22-10329) (argued July 26, 2023), https://www.ca11.uscourts.g
ov/oral-argument-recordings (“[Mashburn] abandoned the abandonment ar-
gument?”).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 17 of 25

-- 17 of 25 --

18 Opinion of the Court 22-10329
Mashburn did not sufficiently address this issue in his opening brief,
and indeed, Mashburn’s entire argument on the issue is confined
to a single footnote. In that footnote, Mashburn contends that be-
cause the district court ultimately addressed the merits of his claims
in response to his motion to alter or amend judgment under Rule
59(e), the abandonment issue is moot. As Alabama rightly points
out, this court has held that “[w]hen an appellant fails to challenge
properly on appeal one of the grounds on which the district court
based its judgment, he is deemed to have abandoned any challenge
of that ground, and it follows that the judgment is due to be af-
firmed.” Sapuppo v. Allstate Floridian Ins. Co., 739 F.3d 678, 680 (11th
Cir. 2014). Passing references without argumentation or citation
to authority are insufficient. Id. at 681. However, because 1) “our
abandonment rule is prudential, not jurisdictional,” United States v.
Campbell, 26 F.4th 860, 873 (11th Cir. 2022) (en banc); 2) the district
court’s classification of pleadings in an initial habeas petition as
“abandoned” is an oddity, see McFarland v. Scott, 512 U.S. 849, 856
(1994) (explaining that “[f]ederal courts are authorized to dismiss
summarily any habeas petition that appears legally insufficient on its
face” (emphasis added)); and 3) “we may affirm on any ground sup-
ported by the record,” Carey v. Dep’t of Corr., 57 F.4th 985, 989 (11th
Cir. 2023), we decline to resolve the case on this basis.
Instead, we conclude the ACCA’s determination that Mash-
burn’s Rule 32 petition failed to sufficiently plead facts that establish
prejudice was not “contrary to,” or “an unreasonable application of,
clearly established federal law.” 28 U.S.C. § 2254(d)(1). Because
the facts pleaded in the Rule 32 petition are insufficient to establish
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 18 of 25

-- 18 of 25 --

22-10329 Opinion of the Court 19
prejudice under the Strickland-AEDPA framework, we affirm the
denial of habeas relief. See Carey, 57 F.4th at 989 (“Because a peti-
tioner must prove both deficient performance and prejudice, a
court need not address one element if it determines that the peti-
tioner has failed to prove the other.”).
“In deciding whether this ruling by the state court denying
post-conviction relief ultimately was reasonable, we conduct the
prejudice inquiry by evaluating the totality of the available mitiga-
tion evidence—both that adduced at trial, and the evidence ad-
duced in the habeas proceeding—and reweighing it against the ev-
idence in aggravation.” Frazier, 661 F.3d at 532 (alterations
adopted) (quoting Hall v. Head, 310 F.3d 683, 701 (11th Cir. 2002)).
Even accepting the allegations in Mashburn’s habeas petition as
true, this analysis leads us to the conclusion that neither his claim
regarding his mental state at the time of the crime nor his claim
regarding his bipolar disorder—whether considered separately or
together—is sufficient to overcome AEDPA deference and estab-
lish prejudice. That is, we find that “there is [not] a reasonable
probability that, absent the errors, the sentencer—including an ap-
pellate court, to the extent it independently reweighs evidence—
would have concluded that the balance of aggravating and mitigat-
ing circumstances did not warrant death.” Strickland, 466 U.S. at
695.14
14 In Alabama, at least ten members of the jury must agree to sentence a de-
fendant to death. Ala. Code § 13A-5-46(f). Mashburn was sentenced to death
by a vote of eleven to one. So, prejudice here requires “a reasonable
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 19 of 25

-- 19 of 25 --

20 Opinion of the Court 22-10329
Looking first at the mitigating circumstances, Mashburn
claims that his trial counsel “lacked the requisite familiarity with
the case to present a coherent theory of mitigation and deprived
the judge and jury of critical mitigating evidence[.]” Pet’r Br. 21.
Mashburn cites to cases in which we held that counsel’s failure to
present mitigating evidence was sufficiently prejudicial to warrant
habeas relief. We find those cases distinguishable from this one. In
those cases, we reached our conclusion because counsel either
failed to present any important mitigating evidence at trial or pre-
sented only a sliver of significant evidence. See DeBruce v. Comm’r,
Ala. Dep’t of Corr., 758 F.3d 1263, 1276 (11th Cir. 2014) (emphasizing
that “the sentencing jury heard nothing of the daily beatings that
DeBruce suffered as a child at the hands of his older sister, his re-
sistance to joining gangs despite their assaults and intimidation, the
pervasive violence in his neighborhood that caused him to witness
the stabbing of a neighbor and his brother being shot, his one or
more suicide attempts, DeBruce’s efforts to nurse his sister while
she recovered from an incapacitating stroke, DeBruce’s alcoholic
and disengaged father, or his struggles in school and his low-aver-
age intelligence”); Cooper v. Sec’y, Dep’t of Corr., 646 F.3d 1328, 1355
(11th Cir. 2011) (lamenting that “[w]hile the jury heard a small
sliver of his volatile upbringing, the jury heard nothing of Cooper’s
life of horrific abuse rendered by both his father and brother, his
probability” that at least two other jurors “would have struck a different bal-
ance” regarding Mashburn’s “moral culpability.” Andrus v. Texas, 140 S. Ct.
1875, 1886 (2020) (per curiam).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 20 of 25

-- 20 of 25 --

22-10329 Opinion of the Court 21
use of drugs and alcohol beginning at age 11 to escape his family
and the abuse, his abandonment by his mother for short stretches
of time, his seventh-grade education and learning deficits, and his
depression”); Ferrell v. Hall, 640 F.3d 1199, 1234–35 (11th Cir. 2011)
(explaining that new evidence would have revealed that the peti-
tioner suffered “from organic brain damage, bipolar disorder, an
epileptic or seizure disorder, and borderline mental retardation”;
endured regular abuse from his parents, including beatings with ra-
zor strops and belts; grew up in poverty due to his father’s gam-
bling addiction; and lived with a mother who “suffered from clini-
cal depression, suicidal ideations, rage blackouts, and urges to phys-
ically hurt her children”—all of which would lead to “increased im-
pulsivity,” “decreased sound judgment,” and conduct that is “not
entirely volitional”); Brownlee v. Haley, 306 F.3d 1043, 1067 (11th
Cir. 2002) (holding that the petitioner was entitled to habeas corpus
relief because of “counsel’s failure to investigate, obtain, or present
any evidence of mitigating circumstances to the sentencing jury”).
Here, the state trial court acknowledged that Mashburn’s
counsel presented evidence for twelve mitigating factors and that
ten mitigating factors were proven. Unlike the cases referenced
above, Mashburn’s argument is not that he was prejudiced by his
counsel’s failure to produce any evidence, but that he was preju-
diced by his counsel’s failure to produce even more evidence. How-
ever, counsel is not “required to present all mitigation evidence.”
Chandler v. United States, 218 F.3d 1305, 1319 (11th Cir. 2000) (en
banc).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 21 of 25

-- 21 of 25 --

22 Opinion of the Court 22-10329
And, in our view, the ACCA did not unreasonably err in con-
cluding that Mashburn did not allege sufficient facts to demonstrate
that it is reasonably probable—or substantially likely, Pinholster,
563 U.S. at 189—that the information he believes should have been
introduced would have tipped the aggravation-mitigation scale in
his favor. For example, regarding Mashburn’s claim that counsel
should have marshaled evidence about his state of mind at the time
of the crimes, “we have repeatedly stressed that evidence of intox-
ication or alcoholism is a double-edged sword that itself could
harm a petitioner’s case.” Brooks v. Comm’r, Ala Dep’t of Corr., 719
F.3d 1292, 1304 (11th Cir. 2013).
And, considering Mashburn’s claim that counsel should
have presented more expert testimony of the potential deleterious
effects of bipolar disorder, such as the link between bipolar disorder
and childhood substance abuse,15 the record reflects that the jury
did hear evidence that Mashburn started huffing paint and gasoline
at eleven years old to deal with the voices he heard, and by thirteen
he started drinking wine and taking his parents’ prescription pain
medication to subdue his psychiatric ailments. The trial judge
15 We note once more that the jury in fact heard Dr. Sachy testify that he be-
lieved Mashburn had “some form of bipolar disorder.” Rule 32 Petition, ¶ 255.
Mashburn argues that the jury should have heard more testimony about how
“[c]hildren with bipolar disorder often begin abusing substances at an early
age to cope with their psychiatric symptoms as Mr. Mashburn did” and how
bipolar disorder “also causes impulsivity and episodic extreme dyscontrol,
which can lead to unpredictable, involuntary combative behavior.” Rule 32
Petition, ¶ 258.
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 22 of 25

-- 22 of 25 --

22-10329 Opinion of the Court 23
credited this testimony and noted that Mashburn’s history of sub-
stance abuse and mental health issues were mitigating factors. We
cannot say that every fair-minded jurist would believe that more
details about the effects of bipolar disorder on Mashburn’s life, in-
cluding during his childhood, would create a substantial likelihood
of a different sentence. Cf. Ferrell, 640 F.3d at 1234–35 (concluding
that a different result was reasonably probable when there was new
evidence of bipolar disorder—the diagnosis itself, rather than testi-
mony about its effects—along with new evidence about organic
brain damage, epileptic or seizure disorder, borderline intellectual
disability, violent child abuse, poverty, and the cumulative effects
of those factors).16
Our conclusion is bolstered by the strength of the aggravat-
ing circumstances identified by the trial court. When there is “sub-
stantial evidence of aggravating circumstances” it can be “more
16 As Mashburn points out, in Orme v. State, the Supreme Court of Florida held
that the balance of mitigating and aggravating factors may have been altered
if counsel had presented evidence about the petitioner’s bipolar disorder,
which would have bolstered his intoxication defense. 896 So. 2d 725, 732, 736
(Fla. 2005) (per curiam). However, apart from arising outside of Alabama, at
least two points distinguish Orme from Mashburn’s case. First, in Orme, it ap-
pears counsel did not present any evidence about the petitioner’s bipolar diag-
nosis. Id. at 733. Here, the jury heard Dr. Sachy’s testimony that Mashburn
had “some form of bipolar disorder,” Rule 32 Petition, ¶ 255—they just did
not learn more information about the disorder’s symptoms. Second—and per-
haps more importantly—Orme was decided by the Supreme Court of Florida,
which did not owe AEDPA deference to another court. Here, on the other
hand, we are duty-bound to respect the decision of the ACCA unless it was
objectively unreasonable. See 28 U.S.C. § 2254(d).
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 23 of 25

-- 23 of 25 --

24 Opinion of the Court 22-10329
difficult to establish prejudice under Strickland.” Holsey v. Warden,
Ga. Diagnostic Prison, 694 F.3d 1230, 1269 (11th Cir. 2012); see also
Sochor v. Sec’y Dep’t of Corr., 685 F.3d 1016, 1030 (11th Cir. 2012).
Here, the trial court concluded that Alabama proved four aggravat-
ing circumstances beyond a reasonable doubt. One of which—that
the offenses were “especially heinous, atrocious or cruel compared
to other capital offenses”—was unanimously agreed upon by a jury
after hearing ample evidence about the gruesome deaths of two
elderly victims.
In sum, Mashburn’s counsel presented enough evidence for
the trial court to determine that twelve mitigating circumstances
had been invoked and ten had been proven. Despite this, an Ala-
bama jury concluded in an eleven-to-one vote that the aggravating
factors outweighed their mitigating counterparts such that Mash-
burn’s sentence was appropriate. While Mashburn argues that
more evidence about his bipolar diagnosis and state of mind should
have been presented, this additional evidence—even if true—is of
debatable strength and would only constitute a fraction of the total
mitigating evidence that the jury would have considered. Thus,
tethered to the highly deferential standards of review imposed by
AEDPA and Strickland, we cannot say the ACCA unreasonably
erred in determining that Mashburn failed to sufficiently plead facts
that would establish prejudice under Strickland. Because the
ACCA’s conclusion was not “contrary to,” or “an unreasonable ap-
plication of, clearly established Federal law” we cannot grant Mash-
burn the habeas relief that he seeks.
III. Evidentiary Hearing
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 24 of 25

-- 24 of 25 --

22-10329 Opinion of the Court 25
Because we conclude that the claims in Mashburn’s Rule 32
petition, even if true, are insufficient to overcome AEDPA defer-
ence and establish prejudice under Strickland, the district court did
not abuse its discretion by foregoing an evidentiary hearing. See
Schriro v. Landrigan, 550 U.S. 465, 477 (2007) (noting that we review
a district court’s decision deny a habeas petitioner’s request for an
evidentiary hearing for an abuse of discretion); see also id. at 474 (“In
deciding whether to grant an evidentiary hearing, a federal court
must consider whether such a hearing could enable an applicant to
prove the petition’s factual allegations, which, if true, would entitle
the applicant to federal habeas relief.”); Ledford v. Warden, Ga. Di-
agnostic Prison, 975 F.3d 1145, 1163 (11th Cir. 2020) (similar).
IV. Conclusion
For the reasons above, we affirm the district court’s denial
of Mashburn’s habeas claims.
AFFIRMED.
USCA11 Case: 22-10329 Document: 53-1 Date Filed: 09/05/2023 Page: 25 of 25

-- 25 of 25 --