Following an inquest, a coroner can return a 'narrative verdict'. This is a factual statement of the circumstances surrounding someone's death, without attributing the cause to an individual. Narrative verdicts have been an option for coroners in England and Wales since 2004.
Police investigating the death of MI6 code-breaker Gareth Williams are to intensify their inquiries into his colleagues and work.
Whatever the coroner's verdict today at the inquest into the death of MI6 spy Gareth Williams, many questions will remain unanswered.
MI6 codebreaker Gareth Williams was probably killed unlawfully but the case might never be solved, a coroner has concluded.