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U.S. Marshals Service

District of South Dakota

Acting United States Marshal John Whitelock

John Whitelock


John Whitelock was born and raised in South Dakota.  He began his law enforcement career with the Lawrence County Sheriff's Office in Deadwood, South Dakota in 1976.  John served as a correctional officer, jail administrator and patrol deputy until March, 1983 when he was appointed as a Deputy U.S. Marshal.

John served as a Deputy U. S. Marshal in the Pierre, SD sub-office, and later was promoted to Supervisory Deputy in 1988.  In 1989, he transferred to the Rapid City, SD sub-office where he served as the Supervisory Deputy.  In August, 1991, John was promoted to Chief Deputy U.S. Marshal for the District of South Dakota.  In April 1996, he was appointed as Acting U. S. Marshal due to the resignation of U.S. Marshal Robert Ecoffey.  John served as Acting Marshal until April 1997, when he resumed his duties as Chief Deputy upon the appointment of U. S. Marshal Lyle Swenson. 

He also served a three month interim appointment as the Chief Deputy U. S. Marshal for the District of Hawaii in 1997, at the request of the Director of the USMS.  He currently continues to serve as South Dakota's Chief Deputy.

During his career with USMS, John has been very active in the merit promotion and policy initiatives at the national headquarters level.  John has served as a church elder and was elected to the school board.  He is a  member of the Masonic Lodge and the El Riad Shrine of Sioux Falls, SD.  John is married and the father of a son and daughter.

Historical Listing of United States Marshals for District of South Dakota is an official site of the U.S. Federal Government, U.S. Department of Justice