PrimeWire

You can now watch the entire History's Greatest Mysteries Season 6 Episode 15 movie online in high-definition quality, complete with English subtitles for a better viewing experience. Best of all, there’s no need to download anything—simply stream it directly from your device anytime, anywhere.

It's one of the most infamous and unsolved mob murders--notorious mobster Bugsy Siegel is gunned down in his Beverly Hills living room.