Movies make casino cheaters seem like modern-day Robin Hoods, but don't be fooled. Regulatory agencies toss around jail sentences faster than mob goons used to break knees. But casinos can't prosecute what they can't catch; everything starts with detection.

Casinos are better than ever at stopping theft—employing a complex web of advanced technology to nab cheaters before they can slink away. You're being watched before you even enter the door. Check out the gallery above for a tour of how, where, and when you're being watched.