A possible homicide is being investigated by the Yakima County Sheriffs office.  Human remains were found in a burned out car that was being removed from private property at Emerald Road and South Emerald Road in the Sunnyside Grandview area.  A tow truck driver removing the vehicle noticed what looked like a skull in the trunk. The remains have been turned over to the Yakima County Coroner for further examination.   The initial investigation revealed that the car was registered to 22 year old Preston Yahne from the Prosser area.  He was reported as a missing  person by family members Sunday. Anyone with any information concerning this incident should contact the Yakima County Sheriffs Office at 574-2500, or Crime Stoppers Yakima County at 1-800-222-TIPS.  You can also text your tip to 274637 plus YAKCO and your message.