Throughout its history, the FBI has been the subject of many controversies, both at home and abroad.
- Files on Puerto Rican independence advocates – Congressman Luiz Gutierrez revealed that Pedro Albizu Campos and his Nationalist political party had been watched for a decade-long period in the 1930s.
- The Whitey Bulger case – The FBI was, and continues to be, criticized for its handling of Boston criminal Whitey Bulger. As a result of Bulger acting as an informant, the agency turned a blind eye to his activities as an exchange.
- Latin America – For decades during the Cold War, the FBI placed agents to monitor the governments of Caribbean and Latin American nations.
- Domestic surveillance – In 1985, it was found that the FBI had made use of surveillance devices on numerous American citizens between 1940 and 1960.
- Robert Hanssen – In what is described by the US Department of Justice (DOJ) as “possibly the worst intelligence disaster in U.S. history“. Hanssen managed to evade the FBI as he simultaneously sold thousands of classified American documents to Soviet intelligence operatives.