WASHINGTON -- The Justice Department is investigating whether Guantanamo Bay detainees charged with roles in the Sept. 11 attacks were improperly given photos of CIA officers or contractors, according to a person familiar with the investigation. The investigation, headed by the Justice Department's counterespionage chief, John Dion, is trying to determine if military lawyers defending the detainees divulged classified information or compromised covert CIA officers, according to the person, who was not authorized to discuss the investigation and spoke only on condition of anonymity. It is a violation of federal law to identify CIA covert personnel, and it is a...