The Giancana family unites to make "Momo: The Sam Giancana Story." His daughters speak publicly for the first time on Momo's involvement with the assassinations of Marilyn Monroe and JFK.The Giancana family unites to make "Momo: The Sam Giancana Story." His daughters speak publicly for the first time on Momo's involvement with the assassinations of Marilyn Monroe and JFK.The Giancana family unites to make "Momo: The Sam Giancana Story." His daughters speak publicly for the first time on Momo's involvement with the assassinations of Marilyn Monroe and JFK.