In 1974, two journalists brought down President Richard Nixon by uncovering the Watergate scandal. Crucial to their story was a secret Whistleblower called "Deep Throat." Over 30 years later, his identity was finally revealed, in this episode of History's Greatest Mysteries: Solved. | HISTORY

Dirty tricks, “Deep Throat” and “The Saturday Night Massacre." It's been 43 years since President Richard Nixon resigned from the White House in disgrace, in the wake of the infamous Watergate scandal. Here's how it went down. | HuffPost