Part II: Table Game Cheating · Roulette Cheating Methods · #3.21

Dealer-Signaled Past Posting

How it works

In this scam, a dishonest dealer uses subtle signals to inform a confederate player when past-posting opportunities exist. The dealer may deliberately turn their back to the layout for an extended period while “examining” the winning number, use a specific phrase or tone of voice, position the dolly in a certain way, or use hand gestures that appear normal to observers but convey a specific meaning to the accomplice. When the signal is given, the player knows the dealer will not be watching the layout and can safely place a late bet. The dealer then “discovers” the late bet, removes it with an apology, but may accidentally-on-purpose leave a portion of it behind — or the player may have already gained useful information about which number to bet on the next spin.

Where it appears

All roulette variants

On the record

Dealer signaling has been a persistent problem throughout casino history. The most insidious aspect is that it can be nearly impossible to prove in court — gestures and phrases can always be explained away as innocent behavior.

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.