CNN CNN Newsroom April 20, 2014 19:50:00
Contained the bomb. >> reporter: confirmation 36 hours after the attack. >> a couple people came in with a laptop like this and they said and said we think we know who did it. >> reporter: something unmistakable at the second blast site you. >> you see a man walking into the frame of the shot. >> he places that backpack down on the ground, sliding it off his shoulder. a short time later, maybe 15 minutes later, he makes a cell phone call and after that call concludes very shortly thereafter you ...
Source: archive.org