A guy kills his girlfriend then dies from a heart attack while digging a grave to bury her in:
https://www.npr.org/2022/05/11/1098...le-burying-a-woman-he-killed-s-c-sheriff-says
https://www.npr.org/2022/05/11/1098...le-burying-a-woman-he-killed-s-c-sheriff-says