The Keddie Cabin Murders Mystic Encounters

Early one morning in April of 1981, a 14 year old girl named Sheila Sharp returns to her home at cabin 28 in the Keddie resort, and is greeted with a horrifying sight, which has become one of the most gruesome, unsolved mysteries in America.
SOURCES:
https://allthatsinteresting.com/keddie-cabin-murders
https://www.crimeandinvestigation.co.uk/article/the-keddie-murders-californias-infamous-quadruple-homicide
https://medium.com/@skylar.aries/true-crime-the-keddie-cabin-murders-the-real-story-behind-cabin-28-e37261040f92
https://thecrimewire.com/true-crime/The-Keddie-Murders-Gruesome-Quadruple-Homicide-Still-Unsolved-After-40-Years
https://people.com/crime/keddie-cabin-28-murders-5-things-know/
https://www.plumasnews.com/keddie-murders-revisited/
https://www.plumasnews.com/keddie-murders-revisited-following-the-clues/