u.s. between 2003 and last year. we spoke with former army sniper paul shari about what he might have learned. what skills he would have learned do you think might hurt allied forces on the battlefield? the types of training he s likely to have received would have been basic tactics and maneuvers, ability to say, move through a building move through urban area in a tactical way, basic marksmanship. reporter: u.s. contractors would have trained him to be a killing machine like rambo but if he was a top commander in terror forces there s a worry. he knows how to plan counterterrorism operations help knows how people who protect a high-value target will be thinking how people who protect an embassy will be thinking and that gives him a position to red team think, think intelligently how to disrupt plans. that s a dangerous capability. reporter: other ominous