CNNW Situation Room With Wolf Blitzer September 21, 2016
Two witnesses seen on Surveillance Video who allegedly removed an explosive device from a duffel bag in new york on saturday. Tonight, were learning more about the Critical Evidence against the alleged bomber. Authorities say theres video showing ahmed rahami igniting explosives in his own backyard just a couple days before the bombings. The video came from the cell phone of a member of rahamis family. Also breaking, u. S. Officials say isis may have launched a chemical weapons attack on u. S. And iraqi troops in iraq. So far, no americans have shown any symptoms of exposure of what is believe...