Officer Geoge Mattern was shot while investigating gun shots he heard while walking his regular beat.
As he headed towards the sound of the shots he met the suspect who shot him in the abdomen. He was transported to a local hospital where he succumbed to his injuries eight months later.
The suspect was fleeing from another officer after robbing a bar. He escaped capture and was never caught.
Des Moines Police Department
End of Watch: Apr. 12, 1918