donald j. trump is calling for a total and complete shutdown of muslims entering the united states. until our country's representatives can figure out what [ bleep ] is going on. >> reporter: analysts say using trump can be an effective tactic for the terrorists. >> this is someone with a major political following. this is someone with major influence. >> reporter: trump's political opponents have warned his statements about muslims would be used by the militants. >> he is becoming isis's best recruiter. >> reporter: today a national white house security adviser reacted saying it's no surprise terrorists would try to use a comment to suggest the u.s. and islam are at war, adding, quote, we are going to do everything we can as the u.s. government to make clear that's not the case. it's the first time trump has been featured so prominently. narrated in english. >> to the muslims in america -- >> reporter: and also featuring perhaps abest known leader, anwr al awlaki. >> it's a...