The strategies of the U.S. Justice Department in the probe into VW emissions cheating includes novel use of the civil financial fraud law Firrea. A multi front investigation is taking place, with each agency including the EPA and Justice Department, German prosecutors, all expanding their action to demonstrate effectiveness in enforcing the law. VW has set aside $7.3 billion for legal settlements and now admits to a "chain of mistakes," and a "culture of tolerance" for breaking rules leading to the cheating.