Based on many eyewitnesses accounts, shooter started outside the ticket-check stanchion and then ran through the TSA checkpoint as he fired

— Marc Ambinder (@marcambinder) November 1, 2013

LAPD searching for vehicle that dropped suspect off and the driver of that vehicle. #LAXShooting

— Marc Ambinder (@marcambinder) November 1, 2013

Based on witnesses/police reports, weapon was AR-15. Also; suspect is conscious and talking to police. #LAXShooting

— Marc Ambinder (@marcambinder) November 1, 2013