The Enfield Poltergeist: How new docudrama uses the Hodgson sisters and 200 hours of tapesMore than 200 hours of audio tapes provide the best "evidence" for the Enfield poltergeist there is.
Source: The Enfield Poltergeist: How new docudrama uses the Hodgson sisters and 200 hours of tapes (https://news.sky.com/story/the-enfield-poltergeist-how-director-of-apple-tvs-new-docudrama-used-the-hodgson-sisters-and-200-hours-of-tapes-12992142)