Part IV: Financial Fraud · Internal Collusion & Employee Fraud

Scam #9: Post-Play Bet Manipulation (Complicit Dealer)

How it works

Normally, post-play (placing or changing a bet after the outcome is known) is a player cheating technique that dealers and floor personnel are trained to prevent. However, when a dealer is complicit, post-play becomes far more effective. The dealer allows an accomplice to add chips to a winning bet (capping), remove chips from a losing bet (pinching), or place entirely new bets after the outcome is determined. The dealer then processes the modified bet as if it had been there all along. In craps, this can involve paying “called bets” that were never actually on the layout - the dealer pretends the bet was there all along. In roulette, the dealer can look away while an accomplice places a late bet on a winning number.

Where it appears

Craps, roulette, blackjack - any game where bet timing is critical

On the record

The Bellagio craps case (2014) involved two dealers allowing friends to place fake bets and paying them regardless of outcome, resulting in over $1 million in losses. One accomplice won $700,000, another over $800,000. The scam operated for nearly two years before a fellow dealer became suspicious.

Published as a detection reference for surveillance, compliance and gaming-operations professionals. Thresholds and tuning are set by the property. Nothing here is instruction — the method is described so it can be recognised.