A son who went to visit his mother made a horrible discovery.
He found his mother dead, inside her apartment in Kistler. that's in Logan County.
Sheriff's deputies say Zola Hatfield was killed sometime late Thursday night at Buffalo Creek Apartments.
Right now, investigators aren't releasing many details about the case, but they will say they're questioning possible suspects.
Investigators aren't sure whether Hatfield was shot or hit with something.
Her body was sent to the State Medical Examiner's Office.
Zola Hatfield was 63-years-old.