Did U.S. marshals have authority over local law enforcement officials?

Did U.S. marshals have authority over local law enforcement officials?

Ken Pratt:

McMinnville, Oregon

U.S. marshals possessed the same power of authority as sheriffs and marshals in executing the laws of the United States. Many county sheriffs also served as deputy U.S. marshals, thus giving them dual power of authority for both local and federal crimes committed in their jurisdiction.