Marked Card is a term used by law enforcement to flag a mobster as a possible covert operative for the federal government. Boston Mobster Mark Silverman takes the phrase 'To know your Enemy, you must become your Enemy' to a whole new level in Marked Card: Power Play in the Boston Mafia. In the course of the late 80's and into the 90's the Boston Mafia was in the midst of a full blown war for supremacy of the New England underworld. The government...