three-card monte three-card monte is common scam played on gullible tourists and other easy marks three playing cardsone of which is the "red ladyqueen of heartsare put facedown on cardboard box the dealer quickly rearranges the cards and then asks the mark to pick the queen of hearts but the dealer can use all sorts of tricks to hide the card or otherwise cheatguaranteeing that the victim never wins it' also common for the dealer to have shills in the crowd who secretly work with the dealer but pretend to win the game (to make the victim think they too could winor purposefully lose badly (to make the victim think they could do much betterthis program shows the three cards and then quickly describes series of swaps at the endit clears the screenand the player must pick card