Obvious similarities abound here, with the three masked assailants in The Strangers wandering off into the morning chill after massacring Kristen and James simply ' because they were home. Disturbingly, the motive for those murders is still unknown, as the Keddie police department never caught the real-life killer(s), and the case remains unsolved. Four people were killed in a small California resort town, including Sue Sharp, her son John, daughter Tina, and John's friend Dana. The screenplay for the film was written by Nicholas Pileggi and Martin Scorsese from Pileggi’s book ‘Casino: Love and Honor in Las Vegas.

The second inspiration for The Strangers true story is the infamous 1981 Keddie Cabin Murders. The film claims to be adapted from a true story from the beginning, and you would be astonished to know that most parts of the claim are legit. In particular, the home invasion and killing of actress Sharon Tate stands out as a clear marker for The Strangers' artistic direction, with its gruesome knife violence drawing close parallels to the stabbing at the Tate home. The first is the infamous series of murders committed by the Manson Family in 1969, later nicknamed 'Helter Skelter,' which were organized by Charles Manson in an ill-conceived bid to start a race war the cult leader had predicted. According to novice writer and director Bryan Bertino, The Strangers true story is primarily based on three alternate true stories.

Is movie casino based on true story