If there's such a thing as the "perfect crime," we'll likely never hear about it because nobody will have any clue that it even happened.
Still, although we don't condone or encourage criminal acts, it's hard not be fascinated when an outlaw has a plan sophisticated enough to almost succeed.
Still, if we've heard about a caper, that means something gave it away. And one mystery burglar might have gotten away with what they tried to do if it weren't for some concerned neighbors.