article_snippet: Scotland Yard pointed out that Operation Herne the internal police investigation into the unit was still ongoing, but that Mr Francis had refused to speak to it about Mr Francis claims.
article_snippet: A Met spokesman said: 'Operation Herne has previously reported publicly on SDS methodology and remains a live ongoing investigation. '
article_snippet: Operation Herne maintains that without speaking to Mr Francis Operation Herne is simply not possible to fully investigate allegations Mr Francis makes.
article_snippet: Operation Herne Operation Herne remains very willing to engage with Mr Francis.'