Michael Bruce Johns, 28, of Grundy Center, Iowa, was reported missing on October 26, 2017. His body was found in a rural area of Floyd County on December 1, 2017. An autopsy determined he died from a shotgun wound to the head, and his death was ruled a homicide.

Investigators say Johns was last seen on October 25, 2017, in the company of Armando Adame III and another person. Cell phone records and witness statements tracked their movements through multiple counties; the last activity from Johns’s phone occurred in the early morning hours that day. Authorities believe an argument in Floyd County led to the vehicle stopping on a gravel road, where Adame pulled Johns from the car and shot him.

A former girlfriend of Adame testified that he admitted Johns wasn’t coming back and described taking Johns to a gravel road and shooting him twice. Police recovered an illegal sawed-off 12-gauge shotgun at Adame’s residence; the ammunition found with that weapon was consistent with the fatal wound.

Does anyone have information about Johns’s final movements on October 25–26, 2017, or who else was with him that night?