Missing Since: 1981-08-22 Location: Manhattan, Kansas
Hammerle was last seen in Manhattan, Kansas on August 22, 1981. He left a birthday party in the 1000 block of Poyntz Avenue in a red van with another man, Joseph Grasher, and two other individuals. Hammerle and Grasher have never been heard from again and their van has not been located. Few details are available in the men’s cases, but foul play is suspected. Investigating Agency Riley County Police Department 785-537-2112 Source Information NamUs KSAL Riley County Police Department Kansas Missing & Unsolved Defrosting Cold Cases Facebook Page for Stephen Hammerle Updated 2 times since October 12, 2004. Last updated April 29, 2021; picture added, distinguishing characteristics updated.