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
What Was Missing "subtext". "The A.V. Club" named the episode one of the ten additional installments of the series that illustrates that "emotional complexity" lies "beneath "Adventure Time"s weirdness". "What Was Missing" became controversial because of an allegedly implied past relationship between Marceline and Princess Bubblegum. The controversy largely began after an accompanying "Mathematical" recap—a behind the scenes video series produced by Frederator Studios that implied that there were lesbian relations between Princess Bubblegum and Marceline and that the writing staff actively seeks input from fans. This incident was addressed by Fred Seibert, the show's executive producer, who said that "in trying to