Police destroy an illegal alcohol still during Prohibition, 1925. Photographed by the St. Paul Daily News.

Police pursue and attack a student protester with clubs during a demonstration against the Vietnam War at Northrop Mall on the University of Minnesota’s Minneapolis campus in May 1972. Photograph by Boyd Hagen for the Minnesota Daily.

On April 10, 1986, police use tear gas on workers protesting the Hormel Foods company. Minneapolis Star Tribune negatives collection, box 596 (Hormel strike images).

Police carrying shotguns during the truck drivers’ strike, 1934.