 In the movie, Bronson portrays an assassin named "Arthur Bishop", who uses bombs to kill others.Bronson also leaves a note for an intended victim saying "Bang, you're dead"—the same text was found in notes sent by "The Bishop" in his suspicious packages.On April 25, 2007, U.S. law enforcement agencies in Dubuque, Iowa, arrested John Tomkins of Dubuque, whom they believed to be "The Bishop."