Memo indicating that the Office of Professional Responsibility (OPR) is closing investigation. The memo refers to a March 15, 2001 letter sent to Senator Warren Rudman by General Counsel, Office of General Counsel, and two electronic communications between the Counterterrorism Division (CTD) and the OPR dated May 17, 2001 and June 21, 2001. It also refers to a reorganization in the CTD.