'The Conjuring', out on DVD from Monday, stars Patrick Wilson and Vera Farmiga as a married couple who have chosen (it takes all people!) as their profession, the job of helping a family terrorised by a dark presence within their remote farmhouse...

In our EXCLUSIVE CLIP BELOW, Lorraine Wilson, the real-life ghost hunter on whom the film is based, and the actual Perron family, speculate on the source of their demons. You've been warned... even this clip is pretty weird...