The IPCC has previously said that it was investigating Durham Police's decision to return shotguns to triple murderer Michael Atherton.
Earlier it revealed that its report is 'highly critical' of Durham Police, who knew that Atherton had a history of domestic violence.
More top news
A look ahead at the Bank Holiday forecast for the Tyne Tees region.
Do you want to Leave or Remain in the European Union? That's the question facing everyone in the country. But what do young people think?
Remain or Leave? The impact on agriculture in the North East