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.
Detection & preventionADVISORY
The paid halfHow a monitoring room catches dealer-signaled past posting, and what stops it recurring, written for the desk, not the reader.
Detection and prevention is the paid layer. It opens on all 400 methods with the downloadable edition, or with any paid plan.
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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.