Growing numbers of young people are carrying knives and becoming victims of knife crime, while doctors report that the injuries from knives they are treating in hospital are becoming more severe and the victims getting younger. In this programme, Cha... (more)nnell Wallace, whose own brother was stabbed to death, meets young people growing up in communities where carrying a knife is normal, sees how violence from knife crime is turning lives upside down and spends time in a school and college to see the impact of knives on the classroom.