>> reporter: aged 7, typical boy. loves laser tag. but behind the smile, there's trouble. >> i grew up with no dad. >> how did that affect you? >> it affected me emotionally. you feel frustrated and angry. >> seemingly hardworking, selling vegetables at market, age 13. but he's already committing armed robbery. armed robbery. >> armed robbery. >> what was going through your head? >> adrenaline. adrenaline. something excitement. >> adrenaline and anger become morten storm's trademarks. by his early teens, he was a boxer. >> boxing for me was a way of getting out my aggressions. >> but your fighting just wasn't limited to the ring, though. >> it wasn't limited to the ring. >> najib khaba is a few years younger living in the same hood. >> first time i met him, he was