477 F.3d 17 United STATES of America, Appellee,v.Javier RIVERA-RIVERA, Defendant, Appellant. No. 05-1567. United States Court of Appeals, First Circuit. Heard December 6, 2006. Decided February 16, 2007. Michael R. Hasse for appellant. Juan E. Milan?s, Assistant United States Attorney, with whom Rosa Emilia Rodr?guez V?lez, United States Attorney, Nelson P?rez-Sosa, Assistant United States Attorney, […]