most powerful dons. used it against the mafia commission. basically breaking up the five families. going after the bosses themselves. reporter: notorious, violent bosses like fat tony salerno, and carmine junior persico of the columbo family, among several organized crime figures indicted by rudy giuliani under rico. it s a very sad day to see somebody who was such a pioneer using this very statute to show how it can be used being on the receiving end of it right now. reporter: throughout this investigation, donald trump and his allies have vehemently denied any wrongdoing. rudy giuliani is calling the indictment in georgia an affront to american democracy and he says the real criminals are the people who have brought this case forward. brian todd reporting, thanks for that report. let s get more on trump s alleged coconspirators, including rudy giuliani. tom foreman is at the magic wall. rudy giuliani played a very