Ly'ana Is an FBI Agent Who Has Recently Been Called

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?

A) The U.S.president.
B) Congress.
C) The local mayor.
D) The governor.