The investigation into the tragic Bourbon Street attack has unearthed new details following the completion of an inspection conducted by the Bureau of Alcohol, Tobacco, Firearms and Explosives at the New Orleans fire scene. The ATF National Response Team concluded their on-site work at 1329 Mandeville St., where it has been determined that the suspect, identified as Jabbar, was present alone before initiating the attack shortly after leaving at 12:15am, according to FBI.