Richard Grosse is the son of Maurice Grosse, the chief investigator of the Enfield Poltergeist case and co-author of the book This House is Haunted. He also still has his father's memoirs that speak to the case and hopes to publish that soon. He visited the house during the case and knows the truth about what happened there. He is a lawyer of 41 years and ran his own niche commercial real estate practice in 1984 till 2000 when he merged with one of the oldest City of London law firms where he was a partner till 2015.