I guess this is not so much "WTF" as it is just interesting. I mean, it was in 1981 and what inspired America's Most Wanted.

http://news.yahoo.com/s/ap/adam_walsh

"Who could take a 6-year-old and murder and decapitate him? Who?" an emotional John Walsh said at Tuesday's news conference. "We needed to know. We needed to know. And today we know. The not knowing has been a torture, but that journey's over