The Mirror 'Devil's Disciple' serial killer plots fresh freedom bid after 50 years in jail
MacKay, now 72, is one of Britain's longest serving inmates after killing two elderly women and a Catholic priest in their homes and then admitting 8 more murders
MacKay, now 72, is one of Britain's longest serving inmates after killing two elderly women and a Catholic priest in their homes and then admitting 8 more murders