Francis Sean O’Donnell, William Gillin, James Walsh, and Greg Sullivan, members of Ironworkers Local 401 in Philadelphia, Pa., pled guilty to arson, racketeering, and related charges after being indicted in February 2014 with other members of a “Shadow Gang” for setting fires, assaulting workers, and sabotaging property in order to force non-union employers to hire union labor. O’Donnell, Gillin, Walsh, and Sullivan are facing significant prison sentences (60 years, 110 years, 110 years, and 40 years, respectively) as well as hefty fines ($750,000, $1.5 million, $1.5 million, and $500,000, respectively).