A death investigation is underway in Lincoln County after two people were found deceased in their home on Waters Cemetery Road in Kings Mountain. Sharon L. Barsy, 81, and her son, Donald L. Barsy, 61, were both found dead in their home on May 14, according to Lincoln County Coroner Farris Marcum. Marcum said the initial investigation indicates that two-to-three weeks ago, Sharon Barsy died of natural causes and her son Donald died from an appare…