Andrew Paul Tahmooressi boarded a flight for Miami from San Diego . Tahmooressi was arrested March 31 in Tijuana . The Army reservist said he made a wrong turn and accidentally shot himself . Mexico freed U.S. Marine reservist Sgt . Tahmooressi served in Afghanistan and suffered from depression , his mother said .
Andrew Paul Tahmooressi boarded a flight for Miami from San Diego . Tahmooressi was arrested March 31 in Tijuana . The Army reservist said he made a wrong turn and accidentally shot himself . Tahmooressi served in Afghanistan and suffered from depression , his mother said .