They let Trump go on the stage. They let him stay on the stage. They were slow to react after the first shot. How can they not know what an open air gunshot sounds like? They threw one shoe off the stage (how did they both come off his feet?).
Interesting . . . the Imgflip system just erased my reply; and so far as I know I am not on a comments time out. Anyway, a whole lot of politically independent investigation needs to be conducted.