Counterintelligence failures highest counter-intelligence officers, with severe effects on morale. Peter Wright, while later extremely controversial about revelations his 1987 book, "Spycatcher: The Candid Autobiography of a Senior Intelligence Officer", also developed techniques that allowed the UK to track numerous Soviet clandestine agents, and agents under diplomatic cover . James Jesus Angleton, the legendary CIA director of counterespionage and a poet himself, used T. S. Eliot's term "an infinity of mirrors" to describe the intricacies of agent to double agent to triple agent so common in counterespionage, with works describing him as paranoid, while others described him as brilliant. Perhaps the truth
Peter Wright MI5 management shortly after his appointment as prime minister in 1964 by James Jesus Angleton, Deputy Director of Operations for Counterintelligence at the CIA. The investigation into Wilson's background by MI5, however, failed to produce any conclusive evidence. When Wright retired in 1976, Harold Wilson was again prime minister. Dame Stella Rimington, MI5 Director General from 1992 to 1996, who was in MI5 while Peter Wright was still working there, wrote in 2001 that she believed that in a Panorama programme in 1988, Peter Wright had retracted his allegation made in his book about the MI5 group of thirty officers