A more low-tech version of a casino scam was the subject of a 1966 Warren Beatty film called Kaleidoscope. Here the main character broke into a Swiss card manuf

A more low-tech version of a casino scam was the subject of a 1966 Warren Beatty film called Kaleidoscope. Here the main character broke into a Swiss card manufacturer and marked the plates for the playing card decks used in all the casinos, with marks only visible via 'special' glasses. The technique being discovered, Beatty's character is coerced into participating in a Scotland Yard sting operation targeting an international smuggler with an addiction to gambling. Tedious movie.