How does Tommy Fianzo Jr. die?

Sofia goes to Tommy's office and gives him Saul's notebooks with information for Eli. Saul arrives, and Tommy tells him and Sofia to go for a walk. Antonia and Paolo. Paolo takes a guard out while Antonia looks for Saul and Sofia. She sees them with Tommy at the edge of the docks. Tommy is holding a gun. Antonia shouts and raises the gun she carries. She shoots and kills Tommy. Saul and PKaolo cover Tommyf's body with plastic, and they plot how they will make his death seem like an accident that is Eli's fault.