InvestigativedocumentaryfilmmakerAlexGibney—bestknownfor2008’sOscar-winningTaxitotheDarkSide,Enron:TheSmartestGuysintheRoom,andatleastadozenothers—turnshissightsonthe1994Loughinislandmassacre,acoldcasethatremainsanopenwoundintheIrishpeaceprocess.Thefamiliesofthevictims—whoweremurderedwhilewatchingtheWorldCupintheirloc...