K N O X V I L L E, Tenn., May 1 -- — Police heard the confession on tape: A man said he raped and strangled a woman. After that, "I throwed her down and left her lying there," said the loud and angry ...

A serial rapist's attempt to claim insanity based on multiple personality disorder fell flat in Texas, as a judge ordered the expert's trial testimony stricken from the record as junk science.

When you think about multiple personalities, what is the first thing that comes to your mind? For many, it is a disturbing picture of a Hollywood film highlighting a deranged and sociopathic murderer.

Shirley Mason was the psychiatric patient whose life was portrayed in the 1973 book Sybil. The book and subsequent film caused an enormous spike in reported cases of multiple personality disorder.