Teenager murdered over rap video

A teenager was stabbed to death by a ‘marauding gang of thugs’ seeking vengeance after they were taunted in rap videos posted online, a court heard. Two Croydon gangs were so out of control that even locals with no affiliation were chased by balaclava-clad gang members brandishing weapons. Jermaine Goupall was 15 when he was murdered in Georgia Road, Thornton Heath at around 11pm on 8 August last year. Trouble had been brewing between the CR7 and CR0 gang three…