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Dateline NBC: 29x9
A Promise to Helene
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.
29 - 1Trouble at the 7-11 Ranch Sep. 21, 2020
29 - 2Left For Dead Sep. 24, 2020- 29 - 3Tallahassee Trap Oct. 01, 2020
- 29 - 4A Killer Role Oct. 02, 2020
- 29 - 5Lone Star Obsession Oct. 08, 2020
- 29 - 8The Client: A New Look Oct. 15, 2020
- 29 - 9A Promise to Helene Oct. 16, 2020
29 - 10Even the Devil Went to Church Oct. 23, 2020- 29 - 11Return to Shalimar Way Oct. 29, 2020