shooting on saturday night. he surrendered to federal authorities on monday. police say officer bolten interrupted a drug deal. >> this has been an exhaustive search, boast both physically and mentally this has been a round the clock investigation. we've always been gun step ahead of him or one step behind him. i think he felt the walls closing in and that it would be in his best interest to turn himself in. >> wilbourn is expected to be arraigned later today. a classified u.s. intelligence report paints a grim view of isis suggesting the group may be just as strong now as it was a year ago. it comes as u.s. war planes provide air cover for rebels in syria. barbara starr has more now from the pentagon.