See here for the film: https://www.youtube.com/watch?v=B27rPaVlA_o.
The 1944 "Witchcraft Trial" in which psychic medium Helen Duncan was imprisoned for nine months now took place seventy years ago, yet it is as relevant today as it's ever been. It still arouses controversy and is still being researched. HPANWO TV visits the locations where the principle events took place and examines the case in the light of new evidence.
See here for background: http://hpanwo-radio.blogspot.co.uk/2014/06/programme-90-podcast-helen-duncan.html.