Sinatra’s alleged mob ties were an open secret. “[Elvis was] afraid of making enemies,” Montez said. “Especially ones in the Mafia.” Elvis had a reason to worry about Sinatra.

Frank Sinatra, whose ties to organized crime dated back to his ... And along the arc of its near-mythic narrative, “Kennedy, ...

In the fourth episode of "Mafia Spies," Sinatra is tasked by the mob to talk ... Fessier said, but his ties with many key players — from those in the government to those in organized crime ...

But there may be a much deeper connection between the Kennedys and the mob, and legendary entertainer Frank Sinatra reportedly served as a key intermediary and whipping boy in one case.