CNN Wolf November 11, 2015 18:29:00
Aboard. egypt has accepted a rerequest from the united states to assist with the investigation. a source says that the national transportation safety board here in the united states will dispatch a team once it has details of when and where the plane's engines will be examined. the engines are u.s. made. meanwhile, they believe that the most likely scenario is that jihadis plant ed a bomb with c4. and now joining us is our terrorist expert paul cruikshank. and paul, c4 is military explosive powerful enough to bring down a plane, but how easy is it to obtain? >> well, we know that the group tha...