Investigative Services Bureau

Captain Brian Black

The Investigative Services Bureau is directed by Captain Brian Black who was promoted to the rank of Captain in September of 2024 and assigned to lead the Bureau in 2024.  Captain Black previously served in both the Support Services and Patrol Services Bureau as a Lieutenant.    Captain Black is a 26 year Veteran of the Great Falls Police Department. He is also a 2017 graduate of the F.B.I. National Academy, Session #270.       

When fully staffed the Investigative Services Bureau consists of 1 Full Time civilian employee, and 22 sworn officers. Bureau personnel consists of; one Lieutenant, three sergeants, eighteen investigators and one administrative employee

While the Investigative Services Bureau is responsible for many different functions, its primary responsibilities include investigating most felony criminal investigations requiring follow up, as well as undercover investigations involving vice, narcotics, HIDTA, and organized crime. Investigations are conducted to produce evidence supporting the guilt or innocence of any suspected person and to recover property.

The Investigative Services Bureau has specialized teams of Investigators that work specific types of crimes.  General Case investigators, who work most felony type crimes to include death investigations.  Special Victims Unit that includes investigators that investigate sexual crimes/crimes against children the Violent Offender Registration Program, and Internet Crimes against Children. The teams also include School Resource Detectives and the High Intensity Drug Trafficking Area Task Force.  All Investigators receive specialized training that relate to their respective assignments and specialized equipment utilized.

Investigations Contacts
Brian Black Captain - Investigations Bureau (406) 455-8413 Contact person by email
Michael Grubb Lieutenant - Investigations Bureau (406) 455-8416 Contact person by email
Adam Price Sergeant -Special Victims Unit (406) 455-8547 Contact person by email
Katie Cunningham Sergeant - Investigations Bureau - School Resource Officer (406)268-6430 Contact person by email