FBI investigators arrive at the home of suspected nightclub shooter Ian David Long on November 8 2018, in Thousand Oaks, California. – The gunman who killed 12 people in a crowded California country music bar has been identified as 28-year-old Ian David Long, a former Marine, the local sheriff said Thursday. The suspect, who was armed with a .45-caliber handgun, was found deceased at the Borderline Bar and Grill, the scene of the shooting in the city of Thousand Oaks northwest of downtown Los Angeles. (Photo by Robyn Beck / AFP) (Photo by ROBYN BECK/AFP via Getty Images)