Elderly Hamilton Co. couple killed by son in Christmas Day murder-suicide

An elderly couple were killed by their 48-year-old son in a double murder-suicide on Christmas Day. Deputies were called to the home on the 11200 block of E. 191st Street around 4:35 p.m. for a report of a shooting. When they arrived at the home, officers found the bodies of Donald Moon, 84, his wife Joyce Moon, 81, and their son Todd Moon, 48.  Investigators determined that Todd had called his sister to the home where he lived with his parents and his children, 8-year-old twins, whom he had custody of. When she arrived at the home, the sister said there appeared to be an ongoing argument between her brother and her mother which escalated to the point where Todd pulled out a gun and shot at his mother multiple times.