Prosecutors allege Frances Crawford's death was staged to look like a lawnmower accident. Photo: PR IMAGE PHOTO

Forensic evidence against a man accused of murdering his wife by staging a lawnmower accident can be challenged by "five minutes on Google", a magistrate has been told.

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Frances Elizabeth Crawford was found dead near a ride-on lawnmower at the base of a retaining wall at a rural Upper Lockyer property, west of Brisbane, in July 2024.

Her husband and former Royal Australian Air Force pilot Robert John Crawford, 47, was charged three months later with murder and interfering

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