Just hours after celebrating his sixteenth birthday, Jimmy Mizen was attacked and killed after getting into an argument near his home in south London. The schoolboy's parents wanted his death to mark a turning point in the fight against teenage violence.
For nearly six years, Barry and Margaret Mizen have worked tirelessly to improve the lives of young people - and today were honoured with an MBE at Buckingham Palace. Here's our Senior Correspondent, Ronke Phillips.
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