After interviewing the sole survivor of an August 25, 2010 plane crash in the Congo, investigators now know what downed the doomed flight. A crocodile.
Apparently, one of the passengers stashed the reptile in a duffel bag with the hopes of selling it for profit. Shortly after liftoff, though, the animal escaped and frightened passengers. The ran to the front of the plane and destabilized it. The ensuing crash killed 19.