Detainee alleges being beaten on the head and passing out. Detainee was punched; beaten with rifles; had water thrown on him; and was laid down in front of a tank and told he would be run over. Members of the unit were interviewed and denied the allegations. Medical exam did not show any injuries consistent with abuse. Upon further interview the victim said he was not choked as alleged. The detainee’s claim was determined to be unsubstantiated.