On December 12, 2025, members from the Medicine Hat Police Service Traffic Unit and Patrol Section responded to a report of suspicious vehicle with a male sleeping behind the steering wheel in the area of Dunmore Road and 21 Street SE. Officers arrived at the location and identified a 58-year-old male, Clinton Mayer, in the driver’s seat, an unnamed 64-year-old female in the passenger seat, and a 62-year-old male, Daniel Giurissevich, in the rear seat. It was determined that Mr. Giurissevich was wanted on several outstanding warrants; during his arrest, officers discovered a bolt-action rifle in his jacket.

A subsequent search of the vehicle resulted in the seizure of the following items:

-              Weatherby .338 Lapua bolt-action rifle with scope

-              Forty-four rounds of .338 Lapua ammunition

-              Carton of black stock cigarettes

-              Various knives

Following the investigation, Clinton Mayer was charged with:

-              Breach of a release order (three counts)

-              Unauthorized possession of a firearm

-              Possession of a firearm in a vehicle

-              Possession of a weapon dangerous to the public

Daniel Giurissevich was charged with:

-              Unauthorized possession of a firearm

-              Possession of a firearm in a vehicle

-              Possession of a weapon dangerous to the public

-              Possession of a weapon contrary to an order (three counts)

Both individuals were held for a judicial interim release hearing and remanded into custody, pending an appearance before the Alberta Court of Justice on December 16, 2025.

Media Contact:

S/Sgt. Harley Kesler
Patrol Section
Medicine Hat Police Service
Ph: 403-529-8481