Dateline NBC 29x9
Season 29 · Episode 9
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Overview
When college student Helene Pruszynski is found murdered, her case remains cold for nearly 40 years until a new detective uses an innovative method to catch the killer. Josh Mankiewicz reports.
Season 29 · Episode 9
When college student Helene Pruszynski is found murdered, her case remains cold for nearly 40 years until a new detective uses an innovative method to catch the killer. Josh Mankiewicz reports.
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