city, attorney general eric holder says they would be on death row right now. i'm wolf blitzer. you're in "the situation room." right now, we're learning much more about the bloody shooting rampage at los angeles airport that sent panicked passengers fleeing for their lives, left a tsa officer dead and three more victims wounded. now there's a brand new push by the union that represents tsa officers to give them law enforcement status, in other words, guns and arrest powers to protect themselves and the public. meantime, the suspect, who allegedly targeted the tsa, remains in critical condition. cnn's stephanie elam has been piecing together the details of what happened, an incident that might have potentially been prevented. what are you learning? >> reporter: well, wolf, the idea of arming some tsa officers is just one idea that's being suggested in light of the shooting here. in the meantime, investigators continue to look for reasons why this 23-year-old shooter was