For more than 25 years, Dateline has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. It explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.
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Networks & Studios
Networks
OxygenShow Information
StatusReturning Series
TypeDocumentary
First Aired7/21/2017
Last Aired12/10/2025
Seasons16
Episodes365
LanguageEnglish
CountryUnited States
Currently in production
Creators & Crew
16
Seasons
365
Episodes
43m
Per Episode
2017
First Aired
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Seasons
16 seasons
