ISLAMORADA, FLA. (WSVN) – Two Miami men have been charged with human trafficking following a U.S. Coast Guard stop earlier this year near Islamorada, authorities said. Oscar Alfredo Bustamante-Semeren, 29, and Alejandro Gauche-Valdez, 35, were arrested after the Coast Guard halted their boat on July 15 in waters near Mile Marker 86.