Big River Rescue and Recovery Team recovered a pick-up truck on September 15th near the boat ramp at Empire Park.
Police said the truck was reported stolen out of East Moline in 2017.
During the investigation human remains were also found inside the truck.
In December, the Rock Island County Coroner identified the man as Daniel L. Claeys using DNA analysis.
Claeys was reported missing out of East Moline in 2019.
East Moline police are conducting a homicide investigation.
Authorities did not say how Claeys died or what caused his death.