The five-month investigation by the Florida Department of Law Enforcement rules out claims by a group of reform school survivors that students who were beaten by guards are buried there . NEW : Investigation continues into whether staff abused boys in 1918 . MIAMI hit by 1960s fire , 1960s flu outbreak . Authorities say they found no evidence boys were killed by school officials . Governor ordered investigation of what lies beneath One white crosses .
NEW : Investigation continues into whether staff abused boys in 1918 . MIAMI hit by 1960s fire , 1960s flu outbreak . Authorities say they found no evidence boys were killed by school officials . Governor ordered investigation of what lies beneath One white crosses .