Retired agent John Terry served 25 years with the FBI. After a short stint in the Richmond Division, John was assigned to the Philadelphia Division where he developed an expertise in working International White Collar Crime investigations involving sophisticated schemes conducted by organized crime groups from eastern Europe. After a few years he was moved to the Organized Crime Squad where he investigated the Philadelphia mob. In this episode of FBI Retired Case File Review, John Terry reviews his investigation of Ralph Natale, the first sitting mob boss ever to cooperate with and testify for the FBI. John also talks about his relationship with informant Ron Previte, also known as the “Fat Rat.” John Terry was later promoted to supervise the Organized Crime Squad. During Operation Iraqi Freedom, John Terry was appointed as the FBI's On-Scene Commander at the Baghdad International Airport in Baghdad, Iraq, where he managed  25 task force investigators from various federal agencies conducting counter-terrorism and terrorist financing investigations. Later in his Bureau career, John served as the program manager responsible for covert operations utilizing all aspects of physical security to include locks, alarms, and video surveillance systems in support of counter-terrorism, counter-intelligence and criminal investigations throughout the United States. Currently, John Terry is employed as the Global Manager of Compliance Investigations for Ingersoll Rand.