Fingerprints and DNA are key evidence in identifying criminals, but crime scene investigators of the future may add Wi-fi to their toolkit for tracking down lawbreakers.
If police were able seize Wi-fi devices at the scene of a crime, they could have access to vital information which could place people at the scene at the time an incident took place.
Dan Blackman, a PhD candidate at Edith Cowan University in Australia, and technical adviser to Western Australia Police, thinks police are missing out by not using this key source of information.
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