S2 EP7: The Dixie Mafia: On Mississippi’s Gulf Coast, a judge and his politician wife were brutally murdered in their home. The killer left few clues and the investigation led nowhere. But the FBI was patiently waiting in the wings. Once it was determined that federal laws had been violated, they pounced on the investigation. They uncovered a corrupt local government and a group of violent criminal conspirators known as the Dixie Mafia, responsible for fraud, money laundering and murder. Part 4