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Dateline

Dateline

1992Returning Series34 Seasons914 Episodes6.4TMDB
NBC

Dateline NBC, or simply Dateline, is a weekly American television newsmagazine series. It was previously the network's flagship newsmagazine, but now focuses mainly on true crime stories with only occasional editions that focus on other topics.

Season 33 · Episode 21

Deadly Obsession

Apr 4, 2025·1h 23m

Mike Sisco and his fiancé Karen Harkness are found shot to death in their Topeka duplex in 2002. A years-long search for the killer and three criminal trials over two decades reveals strained dynamics within one victim’s family.

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Direct answers for episode-level questions and details.

When did Dateline Season 33 Episode 21 air?

Dateline Season 33 Episode 21 aired on April 4, 2025.

How long is Dateline Season 33 Episode 21?

This episode runs for approximately 83 minutes.

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