Field guide
Hidden Camera / Button Hole Cameras
How it works
Ultra-small cameras concealed in clothing, jewelry, or accessories that stream hole card information to confederates outside the casino. Cameras hidden in shirt buttons, belt buckles, watches, or glasses capture hole cards as players peek. The feed goes to a van or room where confederates analyze and relay strategy via earpiece or vibration device.
On the record
Button-hole cameras have been found in multiple casino cheating arrests. In 2024, psychologist Maria Konnikova discussed nano cameras making card protectors, electronics, and sunglasses potential cheating risks.
Detection & preventionADVISORY
The paid halfHow a monitoring room catches hidden camera / button hole cameras, and what stops it recurring, written for the desk, not the reader.
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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.