Kirsty Young's castaway is the forensic psychotherapist Dr Gwen Adshead.

A consultant at Broadmoor Hospital, it is her job to try to understand the behaviour of some of the most vilified people in our society. The Victorian institution in Berkshire is home to more than two hundred men; all people who have been convicted or accused of the most dangerous violent behaviour.

Her life outside work seems impossibly normal - bringing up her children, singing in a choir and gardening fill her spare time. Of her work, she says: "Other people's minds are so fascinating I can't think of anything more interesting and I can't understand why everyone isn't a psychiatrist."

Producer: Leanne Buckle

Record: James Taylor - Shower the People