I admit I've always been fascinated by the whole cattle mutilation mystery also. It's weird that there's never been anyone that confessed to any individual case as far as I know. With UFOs, Bigfoot, crop circles... There's a few people who admit to perpetrating frauds. When I was a kid I had a big book titled "mysteries of the Unexplained" or something like that, that covered a bunch of these things. The chapter that freaked me out the most was on spontaneous human combustion.
"You want your skis? Go get 'em!" -W. Miller