Dateline Unforgettable Season 2 Episode 18 - A Promise to Helene

Airdate: 2022-Nov-08

Episode summary:

A college student is found murdered and the case sits cold for nearly 40 years; Josh Mankiewicz reflects on the vow that keeps the case alive and the innovative method used to catch the killer.

About Dateline Unforgettable series:

A series of reports chosen by “Dateline” correspondents that answers the question they most often get asked — what their most memorab...Show more >