Preacher and his handler, Sgt. Jonathan Russell, were deployed to a domestic dispute that led to an armed standoff involving 29-year-old Steven Righini, who shot an Aroostook deputy, according to a statement from MSP.

K-9 Preacher was deployed to apprehend Righini when he was shot in the abdomen, police reported. Sgt. Russell and Specialist Andrew Hardy returned fire, fatally striking Righini, who was pronounced dead at the scene, Moss stated.