By Michael Isikoff and Bob Sullivan, NBC News, November 13, 2012
The FBI discovered that emails received by Jill Kelley, a close friend of the Petraeus family, were sent by Paula Broadwell. And as they dug deeper, the affair between Broadwell and Petraeus came to light. NBC's Andrea Mitchell reports.
New in this version: FBI search Paula Broadwell's home Monday night; officials say the FBI agent who worked with Jill Kelley, the Tampa, Fla. woman who received anonymous emails from Broadwell, was dismissed from case because he became obsessed with Kelley.
To watch the videos and read the rest of the story visit NBC News
