UNITED STATES OF AMERICA, PLAINTIFF-APPELLEE, v. RAFAEL PORTELA, DEFENDANT-APPELLANT. UNITED STATES OF AMERICA, PLAINTIFF-APPELLEE, v. FRANCISCO VILLAMAN-RODRIGUEZ DEFENDANT-APPELLANT. UNITED STATES OF AMERICA, PLAINTIFF-APPELLEE, v. JUAN A. CARRASQUILLO, DEFENDANT-APPELLANT. Nos. 97-2353, 97-2354, 97-2355.United States Court of Appeals, First Circuit. February 9, 1999. APPEALS FROM THE UNITED STATES DISTRICT COURT FOR THE DISTRICT OF PUERTO RICO [HON. […]