999: What's Your Emergency? - Season 9 Episode 4 -

This edition focuses on knife crime, with police in Northamptonshire having seen an almost 70 per cent increase in such incidents over the past five years. After a man is threatened with a knife in Aldi, PC Brett McKenna and a Taser team go to arrest the perpetrator and search his flat, while PC Steve Cheatham attends the scene of a reported stabbing on a a residential estate in Corby.