A simple spelling mistake on a computer database meant police missed crucial details about a man's violent past, just hours before he killed his partner.
Sarah Gosling was stabbed to death in Newcastle earlier this year. Now, the police watchdog has criticised mistakes by Northumbria police, which it says had "profound consequences."
You can see the full report from Ben Chapman below.
More top news
A poll carried out this week found roses are still the preferred choice for two thirds of people on Valentine's Day.
The 'Teensleep' project is looking at how more and more youngsters are not getting enough sleep, often because they're glued to technology.
While all other regions saw life expectancy for men improve - the North East was the only region where male life expectancy went down.