Guardian: More than two months after the moment that thousands of confidential emails, documents and computer code from the University of East Anglia (UEA) was released online it remains a mystery who was behind the hack. Even Sir David King, the government’s former chief scientist, remains confused. This week, he sought to blame the leak on a foreign intelligence agency, only to admit later he had no evidence. The university called in police last November, insisting they were victims of …