A 16-year-old gang boss terrorised his local community with gun fights and terrifying firebombing attacks for months before he was finally caged.
Baby-faced gang boss Harry O’Brien, who police have known of he was 12-years-old, had just left school when he was getting people double his age to do his bidding.
He brought fear to innocent families as he went to war with rivals in a campaign of brazen violence.
