"His name used to be Don Jarrett," long-time federal asset John Matthews told FBI Special Agent Adam Quirk during a July 9 phone call. Matthews was concerned that he would have to testify in a lawsuit filed by Salt Lake City attorney Jesse Trentadue seeking the release of long-concealed video tapes from the `1995 Oklahoma City bombing. Trentadue believes that the suppressed tapes would help identify "John Doe II," a dark-haired, heavy-set man seen by dozens of people in the company of Timothy McVeigh on the day of the bombing.

"John Doe II" remains at large, and the FBI is perversely determined to protect him.....