the question has been asked since the powerful teamsters boss disappeared in 1975. the fbi may have broken new ground in the search for hoffa that led them to a former landfill in, where else, new jersey. cnn's miguel marquez has more. >> this is another propaganda -- >> jimmy hoffa, the infamous union boss. >>. >> reporter: are we today closer to knowing what happened to him? >> this is one of the great mysteries of the modern criminal world, one of the great mysteries in mafia history, where is jimmy hoffa buried? >> reporter: the latest possibility points to a landfill under a new jersey bridge, his disappearance becoming the stuff of legend, depicted in recent films like "the irishman," the