Little known facts about the US Federal Bureau of Investigation

Mr. J. Edgar Hoover, former Director of the Federal Bureau of Investigation (FBI), was the longest-serving leader of a law enforcement agency in American history.

According to Telegrafi, Mr. J. Edgar Hoover, Director of the FBI from 1935 until his death in 1972, was the longest-serving leader of a law enforcement agency in American history. Photo: Wikipedia.

The predecessor of today's FBI was the US Bureau of Investigation, founded in 1908. In 1935, the agency was renamed FBI and has remained so until today. Photo: History.

The FBI Director is appointed by the President and, since 1972, must be confirmed by the Senate. The term of the FBI Director today is limited to a maximum of 10 years. Photo: Current FBI Director Kash Patel. Photo: Wikipedia.

The FBI has its own set of terminology and lingo, including acronyms, technical terms, and expressions used in reports, files, and internal communications to describe its work in law enforcement and intelligence. For example, "brick agents" are agents who work on the street. Photo: telegrafi.

Several FBI documents were declassified in April 2011, showing that in the late 1950s, the Bureau researched the possibility of using ESP as a spy tool, but the effort was unsuccessful and could not be applied in practice. Photo: Wikipedia.

Analysts at the FBI's Advanced Litigation Laboratory spent more than two years examining the lyrics to The Kingsmen's 1963 song "Louie Louie" for alleged inappropriate content, despite the lyrics being completely unintelligible. Photo: Wikimedia.

The FBI crime lab started small, but has grown into one of the largest forensic analysis facilities in the world . Photo: CS Monitor.

>>> Readers are invited to watch more videos : FBI concludes the shooting at a Catholic school in Minneapolis was terrorism (Video source: VNA/TTXVN)

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