Bill Spectre's award-winning Oxford Ghost Trail has been named as one of the ten best ghost tours in the world by Trip Advisor. Here we ask Bill (real name Bill Ritchie) the secrets of a successful ghost tour and why people are so drawn to ghost stories. We address some deep themes - the supernatural, human consciousness and life after death. Bill also gives us a glimpse of his act, with a chilling story to make your blood run cold!