A reformed former gang member who was just 12 years old when he stabbed his first victim, says he's had to move to Kent to escape the rising violence in his part of London.
Now he is trying to stop other young people in his area joining gangs and carrying knives, by telling them his life story.
Robert Bragg has been touring schools near Ashford to get his message across.
Our reporter Abigail Bracken spoke to Robert Bragg to find out what he thinks needs to be done to stem the growing number of knife crimes:
Interviewees: Robert Bragg & Ch Insp Andy Brittenden, Kent Police & Andrew Richardson, Aspire Academy in Ashford
There has been a rise in attacks carried out by people using knives and offensive weapons in the south east outside of London.
Sussex has seen a rise from 375 attacks in 2013, to just under 440 by the end of September 2018.
The county of Kent has seen an even bigger increase, from 350 incidents to more than 550.
Figures in Essex are also rising, from 430 in 2013 to more than 540 attacks.