Factual error: When the girl gets stabbed in the back, the blood should not come out that fast or go everywhere.
The Last House on the Left (1972)
1 factual error
Directed by: Wes Craven
Starring: David Hess, Fred J. Lincoln, Lucy Grantham, Sandra Peabody
Revealing mistake: When Weasel says, "How's your back, baby?" to Phyllis, she spits in his face, but Weasel closes his eyes before she spits.
Krug Stillo: We don't wanna off someone first night out. I mean, it'd be a shame to get this floor all messed up with blood.
Answer: She leaves him to bleed to death, which, without prompt medical attention, he surely will.