Transcript for Scenes of 'sadistic' torture captured on tape

Arkady in his camera were present when they unit methodically prepared to torture this. I sheep herder from teenage sons were suspected of working for rice's. As a senior officer gives the direction when I tell you that kick he says you let in ago. Soldiers closed the curtains but a low Arkady to continue shooting the ugly scene. It's. Extremely disturbing. Showed footage to see ruby which. Human rights. It's terrible torture. Horrible torture I mean this is actually happening under command authority this is someone with some level of authority who has. The jurisdiction to tell soldiers what to do tele soldiers how torture ST Cheney. Seemingly confident the photojournalist. Would never exposed. Not shy at all in fact they're smiling and frankly. There's not even a pretext here of torture in the name of obtaining intelligence this is just torture for fun. Sadistic. Sadistic. After about an hour of torture of the soldiers cut him down. Senior officer gives him this warning. We are special forces we conduct field executions. And this is why it's been very hard for some Iraqis to know what the good guys are and the bad guys are.

This transcript has been automatically generated and may not be 100% accurate.