And this one is classic: A Pennsylvania man back in 2009 stopped to check his Facebook account on a computer in the home he was in the process of robbing. He forgot to log out before taking off with his loot.
Of course, the victim later noticed his mistake and gave police identifying information to make a speedy arrest. The same thing
Although you'd think enough of these stories have surfaced that malefactors would wise up, apparently stupidity is perennial. If nothing else, they're good for chuckles. See also "Stupid Criminal Tricks on Facebook.")