A former criminal who served inside a “Monster Mansion” prison believes crossbow killer Kyle Clifford will endure a “living hell” behind bars – where he warned “justice” will be served. Ex-soldier Clifford, 26, was given a life sentence for raping and murdering his former girlfriend, Louise Hunt, 25. He also killed her beautician sister Hannah, 28, and her mum, Carol, 61, who was married to BBC racing commentator John Hunt. He carried out his sick rampage last year after Louise, who was a dog