
"Dateline" has been a staple of the newsmagazine genre since premiering in 1992. Given how long it's been on the air, the show has an extensive archive of in-depth news stories and investigative journalism. This syndicated version offers viewers another chance to watch some of the show's previous content, serving up real-life mysteries and in-depth investigations from the show's 20-plus years on the air. Cases involving murders and missing people are frequent topics on the series that has won multiple Emmys in the news and documentary category.

When a University of Utah athlete is found murdered on campus, investigators learn that she had reached out to the campus police for help multiple times before her death.

A Philadelphia murder reveals decades of misconduct in the city's criminal justice system and raises questions about whether police caught the right person; key insiders in the case speak out for the first time on national television.

In Kansas, a prison volunteer helps a man escape custody; investigators scramble to track the pair down.

When high school student Megan Nichols vanishes from her Illinois home, her mother finds a note saying that she ran away; a grisly discovery made three years later changes the course of the investigation.