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People v. Marx, 54 Cal. App. 3d 101 (1975), became one of the most consequential opinions in forensic science, not just forensic odontology. It began with a remarkable concession: there was “no established science of identifying persons from bite marks.” The technique had not been subjected to even the most rudimentary tenets of the scientific method. No hypotheses were tested. No laboratory experiments were conducted. No clinical research. The dentists never demonstrated their claimed ability to match teeth to bite marks. It was just an opinion.
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M. Chris Fabricant (Junk Science and the American Criminal Justice System)