Fargo area law enforcement halts aid to Minnesota police until officers train on deadly force law Clay County law enforcement agencies are wondering how to implement the new laws. Officers in West Fargo, Fargo and Cass County will not be allowed to cross into Minnesota until they understand the laws. 8:31 pm, Mar. 4, 2021 × Red River Valley SWAT members respond to a standoff in Moorhead in 2019. Officers from West Fargo, Fargo and Cass County will not cross the Red River to help Minnesota law enforcement agencies until they can properly train for a law that limits use of deadly force in Minnesota. Michael Vosburg / Forum Photo Editor