Indeed -- look at the popular street "con" known as "Three-Card Monte" -- a fraudulent card game which seems to be run by a single person, but in fact also invo

Indeed -- look at the popular street "con" known as "Three-Card Monte" -- a fraudulent card game which seems to be run by a single person, but in fact also involves several [or all] people in what appears to be 'the crowd.' The victim of the con has no clue that these other folks are working with the guy manipulating the cards.