Eight ordinary citizens broke into an FBI office in Media, PA on March 8th, 1971, and stole every file. The documents were anonymously mailed to newsrooms, revealing a secret surveillance program called COINTELPRO. Despite a massive investigation, the FBI never caught the burglars, who remain anonymous to this day.

1971
The 1971 FBI office break-in exposed the agency's widespread abuse of power, revealing its secret surveillance and harassment of political activists and dissidents.