KGB man: MI5 agent told me that David Kelly had been ‘exterminated'

From MailOnline

The mystery over the death of David Kelly took a further twist last night after a former KGB officer said he had evidence that the scientist did not commit suicide.
Boris Karpichkov, who worked as a Russian spy for 15 years before fleeing to Britain, has sent a dossier to Attorney General Dominic Grieve in which he claims to relay information from an ‘MI5 agent’ that Dr Kelly had been ‘exterminated’...