Departing passengers stand in line for check in at Terminal 3 on Saturday, Nov. 2, 2013, in Los Angeles International Airport. A gunman armed with a semi-automatic rifle opened fire at the airport on Friday, killing a Transportation Security Administration employee and wounding two other people in an attack that frightened passengers and disrupted flights nationwide. (AP Photo/Ringo H.W. Chiu)
Transportation Security Administration employees talk outside Terminal 1 at Los Angeles International Airport on Friday, Nov. 1, 2013, after a gunman armed with a semi-automatic rifle opened fire at the airport, killing a TSA officer and wounding two other people. Flights were disrupted nationwide. (AP Photo/Reed Saxon)