paul cianca a 23 year-old man who was dropped off yesterday morning at lax plier tx prior te shooting. walked into the prescreening area and pulled out an assault rooifl anrifle and killing a ts. the spe suspect went on an he escalator. three people were shot and two tsa workers and one passion injury. one -- passenger. brian rooney, what more have we learned? some of the details that came out of the press conference. he is not able to talk yet. what his mental condition was before the shooting. did he have new diagnosed problems that anyone knew of where did the gun come from and how did he get it did anyone know he had it. there are answered questions and more unanswered questions and the fbi said they will build a full profile of cianca as this goss goes along. >> the other thing who took him to the airport. they say he was dropped off at the airport. >> he had friends and room-mates here. i would count that as a neutral fact. not necessarily the person that dropped him off may have just dropped him off at the airport and may have known nothing about this. his friends told reporter

paul cianca a 23 year-old man who was dropped off yesterday morning at lax plier tx prior te shooting. walked into the prescreening area and pulled out an assault rooifl anrifle and killing a ts. the spe suspect went on an he escalator. three people were shot and two

the police identified the gun man as paul cianca from new jersey.illing he pulled an assault rifle out o out of a bag and std shooting. >> probably 20-yard away from the he i escalators is looking n and shooting multiple shots. i want to say ten shots from the he is call later. escalator. >> the tsa followed him to terminal 3 where he was shot. >> the individual came into terminal 3 and pulled an assault rifle out of a bag and began to open fire in the terminal. >> local authorities say it could have been much worse. >> there was additional rounds that this gunman had. and the fact that these officers were able to neutralize the threat. this was hundreds of rounds that could have killed everyone in the terminal today. >> the it tsa officer was declad dead at ronald reagan ucla hospital where the wounded were taken. the police scoured the area. almost 75 750 flights were affected. passengers came streaming out of lax pulling their luggage and looking for transportation and hotels. we try to find a rental car place and when they let us go we'll go. >>