hello, everyone. you're in the "newsroom." i'm don lemon. thank you so much for joining us. top of the hour and we'll get to los angeles live we're awaiting a press comment there. in moments we'll bring it to you. in los angeles troubling clues are emerging one day after a gunman opened fire at l.a.x. killing a tsa officer and bringing chaos to one of the world's busiest airports. a source tells cnn the suspect 23-year-old paul ciancia had a note with an anti-tsa rant and the note reflected his fear of an ominous new world order. kcal and ccbs got this video and it appears to show the suspect handcuffed to the stretcher. cnn cannot independently confirm who it is. but we had video inside the airport moments after the shots were fired and you can hear for police screaming for people to