There was a British show called The Real Hustle where the cast basically performs real world scams on people filmed with hidden cameras. One year, they went to Vegas.
In one of their most brazen scams, they gathered a crew to swap the card shoe at a casino table. It's amazing how much damage nerves of steel, team work, and a split second distraction can lead to.
This particular scam starts at about 22 minutes: https://www.youtube.com/watch?v=ixUvZjIK_Ms
The expert at the end does mention it is likely bribing dealers and camera operators would be the most likely scenario since the payout is large enough to make it affordable to do.