It was March 8, 1971. While the nation watched Muhammad Ali fight Joe Frazier, eight activists broke into a small FBI office near Philadelphia. The files they stole and leaked to the press would change America, revealing the scandalous operation known as Cointelpro. Now, 50 years later, one of the burglars — who lives in San Rafael — has come forward and identified himself to The Chronicle's Matthias Gafni. | Unlimited Chronicle access: sfchronicle.com/pod Learn more about your ad choices. Visit megaphone.fm/adchoices