S3 Ep15: DNA and Rex's Arrest

When Rex Heuermann was arrested in connection with the Gilgo 4 murders, Suffolk County Law Enforcement explained how DNA corroborated evidence they'd gathered along Ocean Parkway. One important distinction, in comparison with some cases, was the use of mitochondrial DNA which differs from nuclear DNA. Host, Chris Mass, speaks with Cynthia Cale, a forensic DNA expert, about the benefits and challenges in using DNA and a number of other questions related to its role in the Heuermann case.

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For more information on Cynthia Cale, go to www.dnamavens.com

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