The big guns from the DNA lab - Lara Keller, Justin Howes and Cathie Allen - are rolled into the formal inquiry and subjected to withering questioning by a lawyer on top of his game over alleged cover-up, lies to police, and scientific fraud. The three insist they've been honest at all times, just guilty of misunderstanding the details or being overwhelmed by work and led into human error. The inquiry's lead lawyer Michael Hodge was relentless as he applied a blowtorch to a very broken lab affecting thousands of victims of crime.

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