missile, what is donald trump going to say when the cia, the defense intelligence agency and other intelligence agencies come to him with that intelligence? sometimes you get to send them pack to scrub the books again. bill knows this, sometimes the president has to make a snap judgment. >> you heard some pretty bluchbts assessments of julian assange. he is no stranger to controversy. our gary tuckman tonight reports. >> reporter: this video from 2007 was secret, until wikileaks released it in 2010. >> roger. there's about 20 of them. >> reporter: u.s. apache crew members see a group of sus spefkted insurgents in iraq and see rocket-propelled grenades. they have get permission to fire. turns out two journalists from reuters are within the group. >> line them all up. >> come on, fire.