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.
More top news
Paul Brand meets more parliamentary candidates in our last political programme before the General Election. Watch it here:
A look ahead at the forecast for the Tyne Tees region.
A report from the Royal Society for Public Health ranks Middlesbrough 2nd in its list of the towns with the least healthy high streets.