Little-known facts about the Federal Bureau of Investigation

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 Telegraph, 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 U.S. Bureau of Investigation, established in 1908. In 1935, the agency was renamed the FBI, a name it retains to this day. Photo: History.

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

The FBI has its own set of terms and jargon, including abbreviations, technical terms, and expressions used in reports, records, and internal communications to describe its work in law enforcement and intelligence. For example, "brick agent" refers to agents who work on the streets. Photo: telegrafi.

Some FBI documents declassified in April 2011 revealed that in the late 1950s, the Bureau researched the possibility of using extrasensory perception (ESP) as a tool for espionage, but this effort was unsuccessful and could not be applied in practice. Photo: Wikipedia.

Analysts at the FBI's advanced lab spent over two years investigating The Kingsmen's 1963 song "Louie Louie" for allegedly containing inappropriate content, even though the lyrics were completely incomprehensible. Photo: Wikimedia.

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

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

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