Police in Paraguay have arrested three Brazilians after finding a cache of high-powered firearms, including a heavy machine gun, in a case highlighting both the migration of Brazil's criminals into Paraguay and the escalating conflict in that important trafficking corridor. In a house in Ciudad del Este - located in the country's Triple Frontier region with Brazil and Argentina - Paraguayan police found the Brazilians, one of them an escaped convict, along with 8... (GunPolicy.org)