This is the chilling moment a balaclava-clad teenager fled the scene after stabbing an 18-year-old man through the heart with a Rambo-style knife.
Noah Smedley was fatally stabbed after meeting up with a group of teenagers, including his killer Charles Hartle, 17, in the evening on December 28 last year.
Hartle who had an 'unhealthy interest in knives' went with friends to buy cannabis from Noah that evening.
CCTV footage from the evening shows the moments before the stabbing, with the teenagers stood together on Rose Avenue in Ilkeston.
Hartle was then caught on video holding the knife which he used to stab Noah Smedley, which he had kept hidden in his tracksuit bottoms.
