Factual error: The husband was killed in an explosion. There would be no body for a casket, much less a head full of hair.
Factual error: At the hospital when Linda is committed by Dr. Norman Roth and Sheriff Reilly, she is given an injection of a sedative against her will and promptly falls asleep. However the injection she was given was an intramuscular injection, as opposed to an intravenous injection. An intramuscular injection does not make you fall asleep promptly, unlike an intravenous injection does, as it is not going directly into the blood supply.