It's three now, isn't it, unless you count the twins as one. But yeah, she must regret now calling the FBI over those e-mails instead of the mafia, or Craig Livingstone.
Yes, she DID try to call it off but it was on a roll. She couldn’t stop it but tried.
Actually here: Kelley tried to stop investigation:
http://www.thedailybeast.com/cheats/2012/11/13/kelley-tried-to-stop-investigation.html
Yes, it is three. I haven’t included Jill’s twin sister. I wasn’t sure she had an active roll in this. She is there draped over Petreaus at one point