Police employee Curtis Cheng was shot dead outside Police Headquarters in Parramatta, Sydney, 10 years ago this week.
The gunman was a 15-year-old boy radicalised by religious extremists.
Listen here:
In this episode of Crime Insiders Judgements, uncover how a teenager came to be wielding a pistol on a quiet Friday afternoon, and the important role of community leaders in responding to growing concerns about extremism.
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