The Keddie murders are an unsolved quadruple homicide that occurred over the night of April 11–12, 1981 in the small railroad town of Keddie, California in the United States. The victims were Glenna Susan "Sue" Sharp, daughter Tina Louise Sharp son John Steven Sharp and John's friend Dana Hall Wingate.

The murders took place in house No. 28 of the Keddie Resort.

Sources:

https://en.wikipedia.org/wiki/Keddie_murders

https://www.youtube.com/watch?v=USL6P8haroY

https://www.10minutemurder.com/blog/the-keddie-murders-secrets-suspects-and-missing-pieces/

https://www.abc10.com/article/news/crime/true-crime/murder-in-cabin-28-keddie-murders-unsolved-california/103-1e3e7671-8c2c-4f4c-abb3-fae3ae07425e