United States v. Catalan-Roman

LIPEZ, Circuit Judge.

Appellants Lorenzo Catalán-Roman (“Catalán”) and Hernaldo Medina-Villegas (“Medina”) were convicted after a jury trial of several counts relating to a conspiracy to rob armored vehicles and the shooting death of an armored vehicle guard, Gilberto Rodríguez-Cabrera (“Rodríguez”), which occurred during a robbery committed in furtherance of the conspiracy-

This appeal requires us to consider Catalán’s claim that his constitutional rights were violated when the district court prevented him from introducing extrinsic evidence to impeach a key government witness. In addition,…