I Think It's Important to Investigate, and I Think the Video Is Helpful

"I think there are important things to learn again. It feels very much like we're going to get em this time every time something like this happens," says CNN's John Defterios. "The video is helpful, just because i don't want people to do this thing wher they like it was a bunch of tourists wandering around", he adds. 'i'm not sure that the average american is keeping an open mind about it'