Durham knows where the bodies are buried.
"From 2008 to 2012, Mr. Durham also served as the Acting U.S. Attorney for the Eastern District of Virginia for the purpose of investigating matters relating to the destruction of certain videotapes by the CIA and the treatment of detainees by the CIA. From 1998 to 2008, Mr. Durham served as a Special Attorney for the District of Massachusetts and Head of the Justice Task Force, where he reviewed alleged criminal conduct by FBI personnel and other law enforcement corruption in Boston, led the prosecution of a former FBI Supervisory Special Agent and a former Massachusetts State Police Lieutenant, and handled direct appeals and related proceedings following convictions after trial."
https://www.justice.gov/usao-ct/meet-us-attorney