Eva, my 7 year old pit bull, went all Rin Tin Tin on a guy this weekend. I was home alone, Chris was wrestling, Talon was at my mothers while I steam cleaned all the carpets. I had Eva fenced in on the back patio so her big'ole paws weren't clomping all over my drying carpets. She had barked at random stuff all day, but when she started that "warning" bark, I knew something was wrong. There is a definite difference in her "look a squirrel" bark or even her "I see the neighbor" bark and the bark she does when something is really wrong. Its almost as if she can't decide if she wants to growl or bark, so the effect is pretty terrifying. Anyway, I go out on the porch and move the fence and she goes barreling to the side of the yard, smoothly dives under the fence through a hole I had no idea was even there, and in 2 quick bounds is in the crazy over-grown easement beside the house. I can't see anything, but all I hear is snarling and some man cursing like crazy. A few minutes later, a man in really ripped up clothes comes running out of the easement with Eva biting his heels. I'm screaming at him to get the fuck out of my yard cus my dog is going to eat him. Just then, a cop on foot comes around the wooded area of the easement yells at the running guy and takes off after him (Eva is still chasing and biting the guys feet) So I start screaming for Eva to come back, all of a sudden struck with the fear that Eva might attack the cop too, and the good little girl that she is just turned around and trotted back triumphantly, lol. The man wound up jumping the side fence and getting taken down in my neighbors yard. I have no idea what he did, but he totally got outed by my super-dog.