The collapse of the impressive career of CIA Director David Petraeus was triggered when a woman with whom he was having an affair sent threatening e-mails to another woman close to him, according to three senior law enforcement officials with knowledge of the episode. The recipient of the e-mails was so frightened that she went to the FBI for protection and help tracking down the sender, according to the officials.
Unlimited access to BostonGlobe.com for only 99 cents for the first 4 weeks.Sign up
Are you a home delivery subscriber?
Get FREE access as part of your print subscriptionStart Here
Contact us for help