cnn could not confirm the videos, which were edited, were filmed at the camp. i spoke with a group allied with the people's mujahedin. >> in my mind this is a definitive crime against humanity. >> reporter: iraqi officials confirm there was a conflict at the camp, but say iranian exiles armed with shovels and stones provoked it. a charge denied by the exiles. the iraqis also say they didn't use live ammunition. the state department says while u.s. officials don't know exactly what happened, this crisis and the loss of life was initiated by the government and the iraqi military, but he also has accusations against the u.s. saying an american military unit had been inside the camp just before this incident. >> unfortunately, it was in another camp hours before the attack took place on the residence. >> the commander -- >> in a statement to cnn an official with u.s. forces in iraq says the claims being made that will a u.s. battalion was ordered away from camp ashraf