This CID investigation concerns an allegation of a assault upon a detainee while at Baghdad International Airport (BIAP). Detainee alleged that he was assaulted by a black man dressed in an army uniform and was "slapped around" for ten (10) days at a location known as "Ganci". No medical records to support claims of injury could be found, and photos taken of the detainee show no injury to the face. Investigations have ceased as of current date as no further evidence could be found.Investigations did not establish substantial evidence to prove or disprove the allegations brought by the detainee that he was abused at the BIAP or any other location while in U.S. custody..