With the number of stabbings in Croydon rising at an alarming rate and the town's most senior police officer admitting he doesn't know what is behind it, we met a former gang member who carried a knife. When his life was at its most chaotic, he stabbed someone and was sent to prison for trying to rob a jewellers'. So why did he carry a knife, what was the attraction of being part of a gang and, most importantly, how he did he manage to turn his back on it all? As the door to his prison cell...
