someone s social media profile, look through their computers and figure out what this was all about. they still do not have a motive or know why he had all this tannerite in his car and that is what s frustrating them. they re asking people to speak up. if you have any sort of interaction with this man to come forward and talk to authorities about it. even if you think it s no big deal, they want your help because they want to decide as they re putting together the timeline of this man s life whether or not it s something that could help them figure out what could have caused him to be do something just so horrific. stephanie elam, thank you. let me bring in someone now who knows exactly how these investigations work. tom 2010 tes is a senior law enforcement analyst and assistant director of the fbi. first things first, on this note in the room with the calculations of the distance and the trajectory from the 32nd floor from the shooter, what does that tell? you does it tell you he