To find out what happened to Mike and Karen, you can watch the full episode “Deadly Obsession,” available now on Peacock . You can also watch on the NBC app or listen to the full story on our podcast ...

On Friday's "Dateline," Andrea Canning explores the double homicide case of Mike Sisco and Karen Harkness in Topeka, Kansas, ...

Andrea Canning reports on a dramatic update in the case Friday, March 21, at 9/8c on NBC.March 19, 2025 ...

Mike Sisco and Karen Harkness were murdered in 2002. Earlier this year, Harkness' ex-wife Dana Chandler was convicted of ...

(NBC) — Friday on “Dateline,” the death of a beloved chiropractor becomes a criminal investigation when authorities discover she’d been poisoned. Andrea Canning reports on a dramatic ...

The Detroit Tigers were back at Comerica Park Friday for their home opener with high expectations and welcomed by plenty of ...