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    Unreliable bite mark evidence leads to wrongful convictions

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Unreliable bite mark evidence leads to wrongful convictions

05:18

A type of forensic science that has been used to convict people in courts across the country for decades is unreliable at best according to multiple government bodies. The credibility of bite mark evidence has come under increased scrutiny in recent years but it is still used in courts. NBC News Justice Correspondent Ken Dilanian spoke with two men convicted of crimes based on bite mark evidence.