'Let's Boogie'; Facebook Posts Reveal Alleged Gunman Steven Carrillo's Mindset Before Oakland Federal Guard Slaying
Among the pages of evidence released by FBI investigators leading to the arrest of Travis Air Force Sgt. Steven Carrillo in the shooting death of Federal Protective Service officer Dave Underwood were Facebook exchanges that linked him to the far right 'Boogaloo' movement and foretold of the deadly violence to come.