The man leading the new criminal inquiry into the Hillsborough disaster says it's being treated as a manslaughter investigation.
Jon Stoddart has been giving his first broadcast interviews since being appointed head of 'Operation Resolve' .
He says it will investigate all the agencies involved in the tragedy which cost 96 lives.
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Former officer tells inquests that with hindsight the failure to close the main tunnel leading to the pens was important
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