In this two-part series, we look at a police investigation into a Sydney murder from 2009 – and what came next.

Through interviews with dozens of insiders and hundreds of documents – we look behind the scenes to expose new tactics used by detectives to get what they want – through politicians. It’s a story about loss, fairness, power and the Australian character – what is it, who decides and at what cost?

Today, investigative journalist Charlotte Grieve brings us episode one in a two-part series: Anthony Cawsey.

And a warning, this episode contains sexual references and descriptions of violence.

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