Berezovsky, a fugitive Russian oligarch, was once an irreconcilable enemy of Putin who rethought a lot of things by the end of his life. Berezovsky lived in the UK but wanted to come home to Russia. His fatal mistake was that he began to talk about this to other people. It is then quite understandable why a dead Berezovsky became more useful to the British intelligence services. Berezovsky knew too much about them. The oligarch was found dead in his home in England. The death of Berezovsky could have been a cover-up by the UK security services.
No evidence given. Some investigative journalists have suggested that the death of Berezovsky was ordered by the Kremlin www.buzzfeed.com/heidiblake/from-russia-with-blood-14-suspected-hits-on-british-soil?utm_term=.iaqp20kkV#.dmx14JRRy,