Texas shooting: Gunman ‘escaped mental hospital in 2012 – BBC

Kelley had been sent to the hospital after he was court-martialled for assaulting his ex-wife and stepson during a stint in the US Air Force.
He was “attempting to carry out death threats” against “his military chain of command”, the report states.

via Texas shooting: Gunman ‘escaped mental hospital in 2012’ – BBC News