Question juridique clé
Whether the federal criminal appeal was sufficiently reasoned under Art. 42 LTF despite not addressing the cantonal court's main inadmissibility ground.
Solution extraite
The appeal was insufficiently reasoned because it did not challenge the independent and sufficient ground that the cantonal appeal was inadmissible for formal defects.
Motifs extraits
When a decision rests on multiple independent grounds, the appellant must attack each one. The appellant failed to contest the formal-irreceivability reasoning under Art. 192 CPP/GE.