How to Investigate a Psychic Medium?

Robert riggie claims to be both a psychic and a medium. He says he has two masters degrees, one in ferensic psychology and one in clinical social work. Also practises the technique of past life regression. His first per normal experience came when he was four years old. The case is an excellent illustration of what you can find out using modern investigative techniques. Some things could be a bit disturbing, especially for sensitive listeners.