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Can criminal suspects be identified just by the sound of their voice?

A few months ago, I received a call from a barrister who asked me if I could evaluate whether voice identification testimony submitted in a criminal case against an Indigenous man was based on appropriate analysis.

He told me a police officer had been working on a criminal investigation when he heard a voice on a covert audio recording that he believed was one of three suspects in an unrelated armed robbery investigation.

The police had mobile phone and location data on two of the suspects in the case. However, they did not have direct evidence tying the third suspect to the crime. To prove his involvement, the prosecution sought to use voice identification evidence, in addition to other evidence that I was not privy to.

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Source: The Conversation

Source: The Conversation