Knives and gangs: What's driving Britain's broken boys to crime?
Updated 1654 GMT (0054 HKT) December 15, 2018
Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.
London (CNN)After a long day at work, Tilisha Goupall returned to her London home, made dinner and switched on the TV, just like any other night. It was after 10.30 p.m. that she realized her 15-year-old brother, Jermaine, was more than an hour late home from the movies, so she sent him a message on Snapchat. He never read it.