Federal Bureau of Investigation

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Timothy McVeigh

FBI headquarters

J. Edgar Hoover

Federal Bureau of Investigation: laboratory; scientist

Federal Bureau of Investigation: fingerprinting expert

Federal Bureau of Investigation: target practice

How accurate is Judas and the Black Messiah?

Inside the history of the Black Panther Party

For Students

Federal Bureau of Investigation summary

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San Francisco, California/USA-1/18/20: Womens March at Civic Center marching with signs of political protest regarding equality also embracing 2020 presidential candidates and celebrating equality

How Does the U.S. Government Define the Difference Between a Protest and a Riot?

Nelson Mandela, undated photo.

15 Nelson Mandela Quotes

Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

6 Lakes That Are Drying Up

Normandy Invasion: Omaha Beach. World War II. D-Day. Infographic. SPOTLIGHT VERSION

Facts and Figures About the Landings on Omaha Beach During the Normandy Invasion on June 6, 1944

New York NY/ USA- November 23, 2018 Hordes of shoppers throng the Macy's Herald Square flagship store in New York looking for bargains on the day after Thanksgiving, Black Friday.

Why Is It Called Black Friday?

Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.

Uninvited Guests: The 7 Worst Parasitic Worms

Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.

How Rye Bread May Have Caused the Salem Witch Trials

Federal Bureau of Investigation: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Last Updated: Jun 15, 2025

News •

Authorities still searching for suspect in shooting of 2 Minnesota state lawmakers • June 15, 2025, 1:24 PM ET (AP)

Authorities still searching for suspect in shooting of 2 Minnesota state lawmakers • June 14, 2025, 9:46 PM ET (AP)

2 Chinese scientists will stay in jail while accused of bringing biological material to US • June 13, 2025, 3:29 PM ET (AP)

Supreme Court revives lawsuit from Atlanta family whose home was wrongly raided by the FBI • June 12, 2025, 11:43 AM ET (AP)

Correction: DC-Military Parade story • June 10, 2025, 1:44 PM ET (AP)

Facts

Also Known As	Bureau of Investigation • United States Bureau of Investigation • FBI
Areas Of Involvement	intelligence • national security • criminal investigation
Related People	William H. Webster • Louis J. Freeh • Robert Mueller • James Comey • Kash Patel • J. Edgar Hoover • Herbert Arthur Philbrick

Photos and Videos

Timothy McVeigh

FBI headquarters

J. Edgar Hoover

Federal Bureau of Investigation: laboratory; scientist

Federal Bureau of Investigation: fingerprinting expert

Federal Bureau of Investigation: target practice

How accurate is Judas and the Black Messiah?

Inside the history of the Black Panther Party

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Topics

Central Intelligence Agency National Aeronautics and Space Administration KGB National Security Agency MI6 Mossad U.S. Secret Service U.S. Department of Defense Environmental Protection Agency Indian Space Research Organisation

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United States Historical Flag: Stars and Stripes 1863 to 1865

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