Jermaine Lawlor is the founder of Voice for Youth Against Violence, an organisation that helps young people out of crime, and a former gang member himself.
The teenager, named locally as Tanesha, was with friends in Chalgrove Road, Tottenham, north London, when she was murdered
Justice Secretary David Gauke is examining a change to decisions on where inmates are held
The National Prosecuting Authority says there is little chance the woman would be prosecuted, despite admitting to the stabbing
Author Harriet Sergeant says adults have left boys to bring themselves up and create a terrifying existence
Julia Hartley-Brewer clashed with Muslim MP Khalid Mahmood over the criticism of Sarah Champion's article
Police have arrested a man thought to be the leader of the group Loyal to Familia which has been blamed for several shootings