Question juridique clé
Whether the refusal to hear the appellant's former clients as witnesses violated the right to be heard and to present evidence.
Solution extraite
The complaint was inadmissible because the appellant did not show what exculpatory testimony the witnesses could have given or why the refusal was arbitrary.
Motifs extraits
The same persons had already been extensively questioned as accused/co-accused, and the appellant had been able to put supplementary questions; the complaint lacked specific substantiation.