Authorities responded to a call for a shooting around 2 PM in the area of North 295th Street West and West 21st Street North in Garden Plain, Kansas.
When officers arrived they found Deputy Robert Kunze and the suspect, both on the ground with gunshot wounds.
Deputy Kunze was responding to a call when witnesses say a fight began between the suspect and Deputy Kunze, which ended in shots fired.
Authorities believe the suspect had stolen a car and a weapon earlier in the day.
The suspect died on scene and Deputy Kunze was transported to a hospital, where he was declared dead just before 3 PM.