Ken, a retired DEA agent, walked into an ambush while working undercover. Ken didn't stop to think through his options. He'd already played out ambush scenarios in his head days before the first shot rang out....

Predator: Henry V., Louisiana state prison Discussion: "That guy had it coming. He thought he was such a big shot. Always telling me I what I did wrong. Showing me up in front of everyone else at work. Yeah, he didn’t have too much to say when I filled his face full of lead," said Henry V., an inmate in the Louisiana state prison system.

Predator: Helen M., Catfish, Somewhere online Discussion: What you see isn’t always what you get. Take the sweet young thing who hit me up a few months ago. A fan of my best-selling book, 100 Deadly Skills, she asked for security tips. From there it got intense quick. But as a retired Navy SEAL, my Spidey-sense was tingling pretty much from the first.