John Lennon's activism and outspokenness against the Vietnam War and other political issues during the 1960s and 1970s drew the attention of the FBI, particularly under the leadership of J. Edgar Hoover. Lennon's anti-war activities, involvement with left-wing groups, and popularity made him a target for surveillance by the Nixon administration.
The FBI's surveillance of Lennon primarily focused on monitoring his activities, associations, and travels. This included wiretaps, physical surveillance, and compiling extensive files on him and his acquaintances. The FBI was particularly concerned about Lennon's potential influence on public opinion, especially among young people.
The surveillance of Lennon became public knowledge through the Freedom of Information Act (FOIA) requests and legal actions. In 1972, journalist Jon Wiener filed a FOIA request for Lennon's FBI files, which initiated a legal battle to obtain the documents. After years of litigation, Wiener finally succeeded in obtaining a significant portion of the FBI's Lennon files, revealing the extent of the government's surveillance of the former Beatle.
The FBI's surveillance of John Lennon underscores the agency's historical tendency to monitor and sometimes target individuals perceived as threats to the political status quo, regardless of their fame or influence.