Ly’ana is an FBI agent who has recently been called to a local police department to assist in investigating a theft of approximately $50,000. Ly’ana assisted the local department in solving the case and is preparing to go to court when the prosecutor informs her that the defense attorney has offered a deal. The defendant is willing to admit guilt and serve 18 months in prison. What government entity passed the law that allowed Ly’ana, a federal law enforcer, to assist local law enforcement?