 Carty and Brown were , according to Brown , childhood friends who thought of each other as cousins . Carty lived with his grandparents in Burrows Road , Kensal Green , and Brown lived with his mother in <unk> Avenue , <unk> , northwest London . Carty had one conviction for assaulting a police officer when he was 16 years old , and a caution for possessing cannabis . Brown had no previous convictions . The pair were members of a violent gang calling itself the KG Tribe , taking part in the unlawful wounding of two <unk> in December 2005 as well as other <unk> . At the time of the murder of Pryce , Carty and Brown were 18 and 17 respectively . 
