25 Season
829 Episode
Dateline - Season 29 Episode 9 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.
- Year: 2024
- Country: United States of America
- Genre: News, Documentary
- Studio: NBC
- Keyword: true crime, magazine show
- Director:
- Cast: Lester Holt