It's not a good idea to ignore the reality of the devil.

It was not particularly healthy to either ignore or exaggerate the significance of demons.

This darkness and evil in life and suffering in life too, and one can ignore the less palatable

realities like what I believe is the existence of a darker realm.

A woman experiences a violent attack.

Terrible bruises are evident on her body, but she's unable to describe how they got there.

In another case, a member of a satanic cult claims her psychic powers are a gift from the devil.

Are these accounts the manifestations of troubled psychies or undeniable proof of evil

spirits here to torment the living?

I'm Steve French and this is Unsolved Mysteries, demonic possession.

I was brought up in an Irish Catholic family and we certainly went to church and I heard

stories of possession so I didn't discount the idea that they were possible.

I certainly never thought I would run into one.

Dr. Richard Gallagher is a board-certified psychiatrist and a professor of clinical psychiatry at New

York Medical College, as well as a faculty member of the Psychoanalytic Institute of Columbia

University.

He is also the longest standing American member of the International Association of Exorcists.

I'm not an exorcist myself.

I'm a physician and the reason I got involved in this field was simply because people

asked for my assistance.

I'm used to helping people who are suffering.

In my case, as a psychiatrist, mostly people suffering from emotional and mental disorders,

...