
"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.

During a weekend away, a longtime married couple go on an afternoon hike that ends in tragedy; a multitude of evidence makes the mystery hard to untangle.

Byron Smith claims he shot two teenagers in self-defense when they broke into his home on Thanksgiving Day, but investigators suspect there's more to his story.

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.

When a father goes missing and his body is found in a field several miles away, the investigation reveals multiple suspects -- including members of his own family.