CNN At This Hour With Berman and Bolduan July 21, 2015 15:01:00
This is cnn special live coverage. >> this is cnn breaking news. breaking news in the chattanooga shooting rampage. authorities now say that the evidence is increasingly indicating that the gunman's motive was terror. writings examined by the fbi and other evidence show that the shooter, mohammad abdulazeez had political and terrorist motives and that he had done recent internet searches on martyrdom. let's get much more on this with cnn's justice reporter evan perez. evan, you have been talking to your sources, that's where all this information is coming from. what more are they telling you...