They went to McDonalds carrying knives - House Party Killer

Laura Whitmore investigates a party-turned-police-inquiry after three teenagers turn up to a house party in Bath, Somerset armed with knives. A clash between two groups leaves 16-year-old Mikey Roynon with a single stab wound to the neck. As the teenagers flee, neighbours, police and paramedics rush to help but he is pronounced dead at the scene. Police attention turns to the people at the party who may have witnessed what happened. Investigators review CCTV from the night to find the culprits.