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Dateline Secrets Uncovered
FRIDAYS 8/7c
S10 E15 | 06/30/21
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S10 E15 | 06/30/21

DNA Testing Leads to Break in Cold Case

Eleven years after Heidi Bernadzikowski was killed, police decided to use new DNA testing in the case. They got a DNA match -- but it wasn’t anybody they would have ever suspected.

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