Officers recovered a hammer and knife from the home. She had come back to the residence in the morning to change clothes for church when she came upon the grisly scene. Sheila had spent the night in a cabin next to her home for a sleepover with a friend. While three other siblings were found alive and unharmed in a spare bedroom, Sheila’s 12-year-old sister, Tina Sharp, was missing.
Glenna Sharp’s mouth was also bound with a blue bandana, her panties and medical tape.Blood was everywhere. The victims’ hands and ankles had been bound together with white medical tape, the Plumas County News reports. On April 11, 1981, Sheila Sharp, then 14, discovered three bloodied bodies inside her home in Keddie, California: her mother, Glenna “Sue” Sharp, her brother John Sharp and one of his friends, Dana Wingate. The gruesome murder of a mother and three children 40 years ago continues to haunt investigators, who believe someone knows what happened, KXTV reports.