IPCC report looked into Atherton's guns

The critical IPCC report looked into why murderer Michael Atherton had a firearms licence, when he had a history of domestic violence.

Atherton shot Susan McGoldrick, Alison Turnbull and her daughter Tanya Turnbull before turning the gun on himself in Horden, County Durham.

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Horden shootings report

An IPCC report has criticised Durham Police over the way they handled a man who killed three people, and then himself.