Dennis Keith Arnold, 48, of Dolton, Illinois, was found dead outside a garage in the 1600 block of 156th Street on September 27, 2018. The Cook County Medical Examiner identified Arnold and determined the cause of death was a gunshot wound to the neck. Authorities have classified the death as a homicide and the Dolton police are investigating.

The case remains open and investigators continue to seek leads. Does anyone in Dolton have information about Arnold or his activities around September 27, 2018?