Investigations

Police Department

 
 Sergeant Detective DerySteven Armstrong
Lieutenant Detective

armstrong@ci.williston.nd.us

Sergeant Detective Dery

Daniel Dery
Sergeant Detective
dery@ci.williston.nd.us

All crimes reported to the Williston Police Department are reviewed and investigated by the Williston Police Department Staff.
The Detective division is supervised by Lieutenant Steven Armstrong, Sergeant Daniel Dery, and Sergeant Danielle Hendricks and is comprised of other trained detectives.
The detective division regularly works with the Williams County Sheriff's Office, Northwest Narcotics Task Force, the North Dakota Bureau of Criminal Investigations,
the North Dakota Highway Patrol, and all Federal agencies.