Remember those two boys that were recently found in Missouri after being kidnapped? Do you recall that one of them had been missing for over four years? Well, my wife saw this on Snopes within two hours of the first announcement that they had been saved.
Claim: A teenage boy named Shawn Hornbeck is missing from his Missouri home.
Status: Was true, but has since been recovered.
With all the Wiki love, thought I'd give these guys an honorable mention, too.