The government has asked a judge in Brooklyn federal court to sentence the 93-year-old on Friday to 12 years or more in prison.
The defense says Franzese, who suffers from an array of ailments, should be allowed to live his life out with his family.
But prosecutors wrote in a sentencing memo that the reputed underboss of the Colombo organized crime family remains a remorseless mobster who deserves no mercy.
Investigators caught him on tape in 2006 describing his favorite recipe for making bodies disappear: Dismember victim in kiddie pool. Cook body parts in microwave. Stuff parts in garbage disposal.