In Texas, new details have emerged revealing that Devin Patrick Kelley, the gunman accused of massacring 26 worshipers and injuring 20 others at a church in Sutherland Springs last Sunday, once escaped from a psychiatric hospital, threatened to kill his superiors in the U.S. Air Force and tried to smuggle firearms onto his base. Kelley’s attempted escape in 2012 came as he was being held for repeatedly assaulting his wife and fracturing his stepson’s skull. Despite these behaviors, Kelley was never placed on a list that would have prohibited him from purchasing the AR-15 semi-automatic assault rifle he used to carry out Sunday’s massacre. In fact, a Newsweek report finds the Pentagon has reported just one domestic abuser to the FBI’s federal gun database. The disclosure came as Texas Republican Senator John Cornyn—a staunch gun rights advocate—said he’ll introduce a bill that would strengthen the gun background check system.