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Dateline NBC

A Promise to Helene

<<    Season: 29, Episode: 8    >>

Synopsis

When 21-year-old college student Helene Pruszynski is found murdered, the case remains cold for nearly forty years until a new detective uses an innovative method to catch Helene’s killer.

First Aired

Friday, 16th October 2020

Duration

60 minutes

Airing

Friday at 9:00pm


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