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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Police have identified a black Volkswagen Golf which officers appealed to trace after a serious collision on Milbank Lane on June 26.
A man has been arrested on suspicion of murder after a woman was stabbed in Sunderland.
The mother of Bradley Lowery, who has a rare form of childhood cancer, has asked people to stop contacting her to ask when he will die.