According to published accounts of the affair, Broadwell used the same computer to send harassing e-mails to a woman who sent them to a friend at the F.

FORBES: Petraeus Scandal Shows How Transparent Online Communications Can Be

She wouldn't show me the e-mails that she received anonymously from Broadwell, which Kelley described as threatening.

CNN: Jill Kelley, caught in crossfire of Petraeus scandal

U.S. officials said the FBI discovered Petraeus was involved with Broadwell, a woman who was under investigation for sending allegedly harassing and anonymous e-mails to Jill Kelley, a Tampa socialite who was friendly with Petraeus and his wife.

CNN: STORY HIGHLIGHTS

But if Broadwell had, anyone with a password-cracking tool might have been able to snoop on her e-mails and discover her dalliance with a four-star general.

FORBES: Simple E-mail Trail Was The Undoing Of Petraeus

If you recall, the scandal forced Petraeus to resign from his post as CIA director after the FBI, in reading e-mails sent to Kelley, found he had had an extramarital affair with Paula Broadwell.

CNN: Jill Kelley, caught in crossfire of Petraeus scandal