The psychology of stalking

Repeated unwanted advances, being followed, distressing packages and letters in the mail, relentless phone calls and emails can all be part of the often-terrifying experience of being stalked. It's a social problem that's increasing and it doesn't just happen to celebrities. From the latest research in forensic psychiatry, we hear what motivates those who stalk, and one woman gives an open account of what impact being the victim of a stalker has had on her life.