Who is Fred Turco from See No Evil: The True Story of a Ground Soldier in the CIA's War on Terrorism and what is their importance?

Robert Baer was called back to Langley by Fred Turco, who was in charge of a new operation to tighten up security. Turco notified him that the FBI wanted to interrogate him about an accusation that Ahmad Chalabi had made against him. He was being accused of attempting the assassination of Saddam Hussein.