State Of Iowa Vs. Stanley Alan Tribble

IN THE SUPREME COURT OF IOWA
No. 07–1563
Filed October 29, 2010
STATE OF IOWA,
Appellee,
vs.
STANLEY ALAN TRIBBLE,
Appellant.
On review from the Iowa Court of Appeals.
Appeal from the Iowa District Court for Pottawattamie County,
Gordon C. Abel, Judge.
Defendant seeks further review of a decision by the court of appeals
affirming his conviction for first-degree murder, claiming the district court
erred in submitting the theory of felony murder to the jury. DECISION OF
COURT OF APPEALS AND DISTRICT COURT JUDGMENT AFFIRMED.
Mark C. Smith, State Appellate Defender, and Dennis D. Hendrickson,
Assistant State Appellate Defender, for appellant.
Thomas J. Miller, Attorney General, Kevin Cmelik, Assistant Attorney
General, Matthew D. Wilber, County Attorney, and Jon J. Jacobmeier,
Assistant County Attorney, for appellee.

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CADY, Justice.
In this appeal, we must decide if the jury in a criminal prosecution
was properly instructed by the district court on the felony-murder alternative
to first-degree murder. On our review, we affirm the decision of the court of
appeals and the judgment and sentence of the district court.
I. Background Facts and Proceedings.
Stanley Tribble and Tracy Tribble were married. They resided in
Council Bluffs and maintained stable employment. Tribble worked in the
service department of an automobile dealership, and Tracy worked for a
travel agency. While they enjoyed successful careers, their marriage, from
the beginning, was plagued by discord. Police first responded to a report of
domestic disturbance at their home three months after they were married in
2003. This domestic-abuse incident involving police intervention was
followed by others in May 2005 and in February 2006. The disharmonious
times were frequently accompanied by excessive consumption of alcoholic
beverages by the couple, and friends sometimes intervened to referee their
disagreements.
On May 1, 2006, Tribble and Tracy engaged in a loud argument in the
presence of a friend, Chris Bryson. Although there was no display of
physical violence, Tribble left the residence and spent the night at his sister’s
home. The next day, the acrimony continued. Tracy feared Tribble was
attempting to get her fired from her employment and evicted from their
home. Tribble told his sister, Joan Marion, and Bryson about his ongoing
marital problems. In the evening of that day, Tracy gave a coworker a ride
home from work. The coworker expressed concern for Tracy’s safety, and
the two women made plans to meet in the morning to get manicures before
work. Tracy had planned to pick her up in the morning.

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Later in the evening, around 11 p.m., Tracy called Marion on the
telephone. Tracy was at home with Tribble at the time, and she was very
upset about the couple’s marital discord.
Tracy never met with her coworker in the morning as planned, and
many telephone calls made to her residence went unanswered. Tracy’s car,
as well as her personal possessions, was discovered at her residence. Her
dog, who was her constant companion, was picked up by animal shelter
personnel. Tribble said Tracy was at home when he left for work in the
morning, and he did not know where Tracy could be located. He suspected
she had decided to leave the residence due to their marital discord sometime
after he left for work. Tribble told several people he argued with Tracy for
much of the previous night and slept very little.
Tracy’s whereabouts remained a mystery until May 19, 2006, when
her unclad body was found floating face down near the Iowa shore of the
Missouri River in Council Bluffs, about four to five miles from her home. It
was located in an area of the shore where debris from the river had
accumulated.
Tracy had been the victim of horrific blunt-force injuries to her small-
framed body. Her head sustained forehead and face contusions as well as
multiple skull fractures. The fractures on her left eyebrow and forehead
resulted in displacement of her cheekbone and her upper jaw. There were
also fractures resulting in the separation of her left nasal bone and lacrimal
bone from her upper jaw. On the right side of Tracy’s head, one tooth was
recently missing and another had been fractured. Contusions were present
on her chest, upper abdomen, and thigh. The back of Tracy’s scalp
evidenced an injury on the left side of her head resulting in subcutaneous
hemorrhaging. A toxicological analysis of her liver revealed an ethanol
alcohol concentration of 0.25%.

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The deputy state medical examiner found the injuries consistent with
at least three separate blunt-force impacts to the head. He concluded
asphyxia, a deprivation of oxygen caused by drowning, suffocation, or
strangulation, was the probable cause of death. The blunt-force injury to
the head causing hemorrhaging and the acute alcohol intoxication were
significant other factors involved in her death, as these conditions likely
caused an advanced impairment of her consciousness prior to death. Tracy
was thirty-five years old.
Tribble was eventually arrested and charged with first-degree murder.
At trial, an inmate testified Tribble told him that he just wanted Tracy to
keep “her mouth shut,” but after the initial blow, he felt there was no
turning back. The inmate testified Tribble described a crunching or cracking
sound as he hit Tracy. Another inmate testified Tribble said he killed Tracy
around 1:30 a.m. or 2 a.m. and fabricated the story that she was in the
house when he left for work in the morning.
At the conclusion of trial, the jury was instructed by the district court
that it could find Tribble guilty of first-degree murder under two alternative
theories. First, the jury was instructed on first-degree murder based on the
willful, deliberate, and premeditated assault on Tracy. Second, the jury was
instructed on the first-degree murder alternate theory that Tribble killed
Tracy while participating in the forcible felony of willful injury causing
serious injury. The State alleged Tribble participated in the forcible felony of
willful injury when he inflicted the head trauma to Tracy and then killed her
when he asphyxiated her either by smothering, strangling, or drowning her.
The jury returned a verdict of guilty to the crime of first-degree
murder. The district court submitted a special interrogatory to the jury,
which revealed ten jurors found Tribble guilty solely under the felony-murder

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theory, one juror found him guilty solely under the premeditated murder
alternative, and one found him guilty under both theories.
Tribble appealed. He claimed the district court erred in instructing the
jury on the felony-murder alternative to first-degree murder because the
evidence failed to support a finding that he engaged in two separate acts, one
an assault and one causing death. Tribble argued that an act resulting in
nonspecific asphyxia and acts resulting in blunt-force trauma are not
separate and discrete acts to support felony murder, but are acts of a single
assault. Additionally, Tribble argued separate acts of assault could not be
established to support the felony-murder alternative because the head
injuries resulting from the forcible felony of willful injury were contributing
factors to Tracy’s death. Ultimately, Tribble asserted willful injury cannot
serve as a predicate felony under the felony-murder statute when the assault
used to support the forcible felony of willful injury is a contributing factor in
the death.
Tribble also claimed the district court erred in admitting hearsay
testimony at trial and in admitting irrelevant and prejudicial evidence. He
also claimed his trial counsel was ineffective for failing to object to testimony
by a police officer concerning prior statements made by Tracy.
We transferred the case to the court of appeals. The court of appeals
affirmed the conviction. It found the district court did not err in instructing
the jury on the felony-murder alternative to first-degree murder. It also
found any hearsay testimony admitted at trial constituted harmless error, as
well as any irrelevant evidence that had been admitted. The court of appeals
further found the record was inadequate to address the claim of ineffective
assistance of counsel on direct appeal.
We granted further review. We did so to address the claim of error
concerning the felony-murder instruction. The opinion of the court of

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appeals stands as the final decision on the other issues raised on appeal.
See Everly v. Knoxville Cmty. Sch. Dist., 774 N.W.2d 488, 492 (Iowa 2009).
II. Scope of Review.
Tribble objected to the district court’s instruction on felony murder as
an alternative theory of murder in this case. We review objections to jury
instructions for errors at law. State v. Heemstra, 721 N.W.2d 549, 553 (Iowa
2006).
III. Felony-Murder Doctrine.
The felony-murder rule began as a common-law doctrine of criminal
law that any death resulting from the commission or attempted commission
of a felony constitutes murder. Model Penal Code and Commentaries
§ 210.2 cmt. 1, at 15 (1980) [hereinafter Model Penal Code]. It operates by
eliminating proof of some of the elements of murder that would otherwise be
necessary to prove if the death were prosecuted as murder without relying
on the underlying felony offense. 40 Am. Jur. 2d Homicide § 65, at 655
(2008).
Most states limit the scope of the felony-murder rule. 2 Wayne R.
LaFave, Substantive Criminal Law § 14.5, at 444–45 (2d ed. 2003)
[hereinafter LaFave]. This limitation has predominantly been done by
restricting the rule to certain types of felonies. Id. § 14.5(b), at 447. Felonies
that have historically been used to support application of the felony-murder
doctrine are those that are particularly serious or inherently dangerous. Id.
For example, the Model Penal Code only allows “robbery, rape or deviate
sexual intercourse by force or threat of force, arson, burglary, kidnapping or
felonious escape” to serve as the predicate felony. Model Penal Code
§ 210.2(1)(b), at 13. Other court-imposed limitations have been crafted by
strictly interpreting the requirement of proximate causation, narrowly
construing the period of time that the underlying felony is committed, or

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requiring the underlying felony to be independent of the homicide. LaFave at
445–46.
Like most other states, our legislature has limited the felony-murder
rule in several ways. One way our legislature limited the rule is by allowing
only forcible felonies, in addition to some other special circumstances, to
serve as the predicate offense. See Iowa Code § 707.2(2), (3), (5), (6) (2005).
A forcible felony is defined in Iowa as “any felonious child endangerment,
assault, murder, sexual abuse, kidnapping, robbery, arson in the first
degree, or burglary in the first degree,” subject to the exclusion of some types
of assault, sexual abuse, sexual exploitation, and child endangerment. Id.
§ 702.11(1) (defining a forcible felony); § 702.11(2) (excluding specific
offenses from the definition of forcible felony). One exclusion pertains to the
assault crime of “willful injury.” Our legislature has categorized “willful
injury” as felonious assault. Id. § 708.4. The crime is committed when a
person commits an unjustified act, “which is intended to cause serious
injury to another” and either causes serious injury or bodily injury to
another. Id. § 708.4(1), (2). However, only willful injury that causes serious
injury is a forcible felony. Id. § 702.11(2)(a). Thus, only willful injury that
causes serious injury can serve as a predicate felony under Iowa’s felony-
murder statute. A serious injury is defined as:
a. Disabling mental illness.
b. Bodily injury which does any of the following:
(1) Creates a substantial risk of death.
(2) Causes serious permanent disfigurement.
(3) Causes protracted loss or impairment of the function
of any bodily member or organ.
c. Any injury to a child that requires surgical repair and
necessitates the administration of general anesthesia.

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Id. § 702.18(1). Accordingly, a person commits murder in the first degree
under the felony-murder rule in Iowa when the person kills another person
(with expressed or implied malice aforethought) while participating in a
nonexempt forcible felony. Id. § 707.2(2); see also id. § 707.1 (defining
murder as killing another with either expressed or implied malice
aforethought); State v. Galloway, 275 N.W.2d 736, 738 (Iowa 1979) (stating
malice aforethought is required, even under the felony-murder statute),
abrogated on other grounds by State v. Schutz, 579 N.W.2d 317, 320 (Iowa
1998).
The Iowa felony-murder statute is limited in a second way by the
statutorily prescribed time period during which the underlying felony must
be committed. An element of felony murder requires the person be
“participating in a forcible felony” during the time the person committed an
act causing the death of another. Iowa Code § 707.2(2). Our legislature has
defined this time period as
commencing with the first act done directly toward the
commission of the [underlying felony] and for the purpose of
committing that offense, and terminating when the person has
been arrested or has withdrawn from the scene of the intended
crime and has eluded pursuers, if any there be.
Id. § 702.13. If the act causing death occurs beyond this time frame, the
felony-murder rule is not applicable. See State v. Philo, 697 N.W.2d 481,
487 (Iowa 2005) (indicating the time period expires once a person is
separated from the crime scene by some amount of distance without
pursuers).
More recently, we interpreted the felony-murder statute to impose an
additional limitation when the crime of willful injury causing serious injury
is used as the predicate underlying felony. In Heemstra, we held willful
injury cannot serve as a predicate felony under the felony-murder statute

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when “the act causing willful injury is the same act that causes the victim’s
death.” 721 N.W.2d at 558. Instead, the act intended to cause serious
injury used to support the predicate willful-injury offense must be separate
from the act that kills the other person while the person participates in the
predicate willful-injury crime. Id. If the act or acts intended to cause
serious injury were the same act or acts that caused death, the act or acts
merge into the murder and cannot serve as a predicate felony. Id.
It is common for courts to require separation between acts supporting
the ongoing predicate felony and the act resulting in death. In fact, factors
have been identified to help determine whether the felony is separate from
the act of killing. For example, many jurisdictions adopt the theory that the
felony must be committed independently of the killing. LaFave at 444–45;
see also Leonard Birdsong, The Felony Murder Doctrine Revisited: A Proposal
for Calibrating Punishment that Reaffirms the Sanctity of Human Life of Co-
Felons Who Are Victims, 33 Ohio N.U. L. Rev. 497, 498 n.12 (2007)
(recognizing some states apply the felony-murder rule “only if the predicate
felony is independent of, or collateral to, the homicide”). Time and distance
can also be relied upon to determine if two acts are sufficiently separate to
allow one to serve as the predicate felony for the other. In Commonwealth v.
Kilburn, the Massachusetts court found the “short interlude” between the
first assault and a shooting resulting in death supported two distinct acts.
780 N.E.2d 1237, 1240 (Mass. 2003).
While these factors, and others, may be helpful in some cases, the
critical analysis will largely be driven by the facts of each case. See id.
(indicating whether a felony is independent enough of a killing to invoke
felony murder “defies categorical analysis” and should be determined case by
case). This is the approach we followed in State v. Millbrook, ___ N.W.2d ___
(Iowa 2010) (applying fact-based analysis to the independent-act

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requirement). The facts must first support an underlying forcible felony,
then separately support an act or acts resulting in the killing of another.
This approach is the essence of the felony-murder doctrine. When a person
engages in conduct dangerous enough to be identified by our legislature as a
predicate felony for felony murder, the elements of the felony-murder statute
are satisfied if the person also engages in an act causing death while
participating in the dangerous conduct. The statute places no legal test for
the independent-act requirement.
One component of the independent-act requirement is the second act
must kill another person. See Iowa Code § 707.2(2). In Heemstra, we
indicated the second act must cause the death of another person. 721
N.W.2d at 557–58. Thus, while the evidence must establish the first act was
an element of the predicate felony, the evidence must further establish that a
separate act caused death to another. The evidence must establish both the
act and that the act caused death. Without such evidence, the felony-
murder doctrine does not apply.
Generally, causation exists in criminal law, often without much
fanfare, as a doctrine justifying the imposition of criminal responsibility by
requiring a “sufficient causal relationship between the defendant’s conduct
and the proscribed harm.” See State v. Marti, 290 N.W.2d 570, 584 (Iowa
1980). When causation does surface as an issue in a criminal case, our law
normally requires us to consider if the criminal act was a factual cause of
the harm.1
The conduct of a defendant is a “factual cause of harm when the harm
would not have occurred absent the conduct.” Restatement (Third) of Torts:
See id. at 584–85; see also Thompson v. Kaczinski, 774 N.W.2d
829, 836–39 (Iowa 2009).
1The nature of the argument presented by Tribble in this case does not require us to
consider the element of causation beyond a factual-cause analysis.

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Liability for Physical and Emotional Harm § 26, at 346 (2010) [hereinafter
Restatement]. We have traditionally labeled this straightforward, factual
cause requirement of causation the “but for” test. See Marti, 290 N.W.2d at
585 (stating the test for factual cause in a criminal case can be phrased as
“but for the defendant’s conduct, the harm or damage would not have
occurred”). It operates to identify factual causation in each instance, but
requires further assistance when multiple acts occur, each of which alone
would have been a factual cause in the absence of the other act or acts. This
assistance now comes in the form of a legal principle to govern the outcome.
When such multiple causes are present, our law declares each act to be a
factual cause of the harm. Restatement § 27, at 376.2
Tribble relies on the multiple-cause rule of the causation doctrine to
build his case that independent acts to support the felony-murder doctrine
did not exist in this case. While the facts of this case clearly supported a
finding that the victim died from asphyxia, they also showed the acts offered
by the State to establish the predicate felony contributed as substantial
factors to death by asphyxia. Tribble uses the confluence of these causes to
argue the felony-murder statute cannot apply to the predicate felony of
willful injury when the act causing willful injury also causes death. In other
words, he claims the separate acts cannot be independent under the felony-
murder rule when they joined together as factual causes of death.
2Prior to our adoption of the Restatement (Third) of Torts in Thompson, we employed
the “substantial factor” test to permit the fact finder to decide the existence of factual cause
when multiple causes were present that alone would have been sufficient to be a factual
cause of the harm. See, e.g., Kelly v. Sinclair Oil Corp., 476 N.W.2d 341, 349 (Iowa 1991),
abrogated by Thompson 774 N.W.2d at 837. This test was a necessary supplement to the
“but for” test because the “but for” test could be applied by the fact finder to absolve
multiple actors of responsibility when their separate acts would have caused the harm on
their own. Thompson, 774 N.W.2d at 837 n.3. Thus, we abandoned the “substantial factor”
test as unnecessary and replaced it with a legal rule that simply declares multiple causes
that alone would have been a factual cause under the “but for” test to be factual causes. We
no longer apply a special multiple-cause test, but rely on a straightforward rule.

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The claim by Tribble can best be resolved by considering the purpose
of the merger doctrine within the context of the purpose of the felony-murder
rule. While a variety of justifications have been identified to support the
felony-murder doctrine, the core reason is deterrence. Douglas Van Zanten,
Note, Felony Murder, the Merger Limitation, and Legislative Intent in State v.
Heemstra: Deciphering the Proper Role of the Iowa Supreme Court in
Interpreting Iowa’s Felony-Murder Statute, 93 Iowa L. Rev. 1565, 1570 (2008)
[hereinafter Van Zanten]. The doctrine seeks to deter people from
committing those felonies that present a heightened risk of death to others.
The deterrence works by transforming the felony offense sought to be
deterred into first-degree murder if a person is killed in the course of the
felony, even though the felon had no specific intent or premeditation
otherwise necessary to elevate the killing of another into first-degree murder.
See People v. Washington, 402 P.2d 130, 133 (Cal. 1965) (recognizing
purpose of felony murder is to deter felons by holding them responsible for
killings they commit).
The purpose of the merger doctrine, otherwise known as the
independent felony rule, is to exclude some types of homicide from the
felony-murder statute. This limitation is particularly important when the
underlying felony contains an assault element to the crime. Van Zanten at
1574. An assault element of the underlying felony makes it possible for the
assault giving rise to the felony to also result in the death of another. The
merger doctrine recognizes the felony-murder doctrine was not adopted in
Iowa to redefine punishment for the underlying felony, but to eliminate the
normal mens rea requirement for first-degree murder when a person kills
another while participating in certain prohibited felonies. See Heemstra, 721
N.W.2d at 554. Thus, if the assault that serves as an element in the
commission of the predicate felony under the felony-murder doctrine could

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also be the act that kills another person, every such assaultive felony that
causes death would be murder. Id. at 557; Kristy L. Albrecht, Note, Iowa’s
Felony Murder Statute: Eroding Malice and Rejecting the Merger Doctrine, 79
Iowa L. Rev. 941, 944–45 (1994); Van Zanten at 1574. Used in this way, the
felony-murder doctrine would essentially limit the various degrees of murder,
manslaughter, and other categories of homicides. Van Zanten at 1574. This
approach to applying the felony-murder rule would also undermine the
general notion that our justice system normally correlates punishment with
criminal intent. Id. at 1569. In other words, our legislature adopted felony
murder to deter the commission of felonies, but not by totally eliminating the
relationship between criminal intent and criminal liability. Under the merger
doctrine, a person is only guilty of felony murder if the act resulting in the
predicate felony is independent of the act resulting in death. A single act
causing death continues to be judged under the various categories of murder
that essentially look to the degree of culpability based on the mental state of
the offender. A single act giving rise to both the commission of the felony
and death merges into murder, and culpability of conduct is determined
under the various categories of murder.
As indicated, the independent-act requirement of the felony-murder
doctrine basically relies on a fact-based analysis to satisfy the requirement.
Yet, the independent acts are also identified by the harm that results from
the act. The first act must relate to an element of the predicate felony, while
the second independent act must kill another person. Clearly, this approach
places causation in the analysis, but not in the manner urged by Tribble.
The merger, or independent-act, doctrine relied on by Tribble only addresses
the felony-murder concern over a single act causing death, not two separate
acts causing death. The doctrine prevents felonious acts from becoming
first-degree murder when the evidence fails to show there was a separate act

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causing death. Thus, the purpose of the merger doctrine is not implicated
when separate acts are identified, as long as the second act is identified by
the evidence as an act causing death and the first act is identified by the
evidence as a separate act supporting an element of the predicate felony. If
the act supporting an element of the predicate felony also results in death to
another, the concern of the merger doctrine does not materialize when the
second separate act also results in death. Instead, the question is one of
multiple causation, and our principles of factual causation do not relieve a
person of criminal responsibility based on multiple acts when each act is
regarded as a factual cause. See Restatement § 27 cmt. c, at 378 (“A
defendant whose tortious act was fully capable of causing the plaintiff’s
harm should not escape liability merely because of the fortuity of another
sufficient cause.”). Our law recognizes two separate acts can join to cause
death, but the result does not alter criminal responsibility for an act. Id.
Causation only implicates the merger doctrine when the act supporting the
commission of the predicate felony is a factual cause of death and the
second act is not. If the act giving rise to the underlying forcible felony is the
sole factual cause of death, then any subsequent separate act of violence not
also a factual cause of death plays no role in the felony-murder analysis.
Accordingly, the law governing multiple factual causation is consistent
with the purposes of the felony-murder doctrine and the merger doctrine.
Merger seeks to prevent a felonious act alone from becoming first-degree
murder and leaves the felony-murder doctrine available to elevate an
independent homicidal act into first-degree murder without proof of the
usual required mens rea for the purpose of deterring certain felonious
conduct. As long as an independent act is a factual cause of death, the
doctrines work to achieve their desired purposes.

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In this case, substantial evidence supported a finding that an act of
strangulation, choking, or drowning was a factual cause of Tracy’s death by
asphyxia. Substantial evidence also supported a finding of the commission
of the forcible felony of willful injury causing serious injury based on a
separate earlier act of blunt-force trauma to Tracy’s head. The facts further
supported a finding that the head trauma and asphyxia were inflicted by
separate acts, with the head trauma occurring first followed by a separate
act resulting in the asphyxia. Thus, separate, independent acts were
identified by the evidence. Moreover, the evidence showed the act causing
asphyxia was a factual cause of death. In fact, Tribble does not contest this
evidence. Consequently, it is not important under the felony-murder
analysis whether or not the separate earlier acts of blunt-force trauma were
also a factual cause of death. If the acts of blunt-force trauma were also a
factual cause of death, felony murder applies in this case because a separate
act of asphyxia was also a factual cause. If the acts of blunt-force trauma
were not a factual cause of death, felony murder likewise applies because the
blunt-force trauma would satisfy the willful-injury elements of acts intended
to cause serious injury and causing serious injury, followed by a separate
act causing death by asphyxia.
We reject the claim by Tribble that the felony-murder statute is
inapplicable when two independent acts both contribute to the death of the
victim. Tribble makes no further challenge to the application of the felony-
murder statute by attacking the sufficiency of evidence to support the other
elements of felony murder. Accordingly, we conclude the district court did
not err in instructing the jury on felony murder. We also conclude the court
of appeals properly resolved the other issues raised by Tribble on appeal.

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IV. Conclusion.
We have reviewed all the issues presented. The court of appeals
correctly decided each issue. Accordingly, we affirm the decision of the court
of appeals and affirm the judgment and sentence of the district court.
DECISION OF COURT OF APPEALS AND DISTRICT COURT
JUDGMENT AFFIRMED.

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