a little later mccristal put seal teams in charge of somalia and yemen and put the rangers in chargen afghanistan. now, there were units from all of those organizations in the other so there wasn't exclusive one to the other but that's largely how it break down. >> and you talk in the middle of the book about a chapter on steroids and it talks about they're maturing in iraq and using the mohawks that were iraqis and in one passage you wrote that in essence getting close to a person of interest was possible, it would send the noniraq -- it was too risky, the mohawks used delta camera cars which were local vehicles which units had hidden cameras in such a way that an automanufacturer might have des -- disguiseed cameras. >> i'm giving a hypothetical here. if delta force had information that a particular building was used as a safe house by al-qaeda and iraq and they wted to case that joint, if you like, prior to an assault but they didn't want to take a risk of putting an american or even an american in disguise and put an iraqi, drive it past in the stream of traffic with everybody el