Dateline NBC: 33x21
Deadly Obsession
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.
33 - 1The Butterfly Sep. 27, 2024
33 - 2Wrong Turns Oct. 04, 2024
33 - 3Down the Rabbit Hole Oct. 11, 2024
33 - 4The Night of the Nor'easter Oct. 18, 2024
33 - 5Deadly Omission Oct. 25, 2024
33 - 6After the Halloween Party Nov. 01, 2024
33 - 7The Menendez Brothers: Chance at Freedom Nov. 08, 2024
33 - 8Deadly Dance Nov. 15, 2024
33 - 9The Killer Among Them Nov. 22, 2024
33 - 10The Man of Many Faces Dec. 13, 2024
33 - 11A Little Patch of Perfect Jan. 17, 2025
33 - 12Deadly Mirage Jan. 19, 2025
33 - 13The Devil Wore White Jan. 31, 2025
33 - 14Under the Bay Bridge Feb. 07, 2025
33 - 15Return to the Lake Feb. 14, 2025
33 - 16A Walk Through the Woods Feb. 21, 2025
33 - 17The Haunted House Confession Feb. 28, 2025
33 - 18Lori Vallow Daybell: The Jailhouse Interview Mar. 07, 2025
33 - 19Deadly Entanglement Mar. 14, 2025
33 - 20Poison Twist Mar. 21, 2025
33 - 21Deadly Obsession Apr. 04, 2025
33 - 22The Last Mile Apr. 06, 2025
33 - 23The Widow of Woodland Hills Apr. 11, 2025
33 - 24The Pin at Apartment 210 Apr. 13, 2025
33 - 25The Devil’s in the Details Apr. 25, 2025
33 - 26Murder in Minot May. 02, 2025
33 - 27Secrets of the Sliding Door May. 04, 2025
33 - 28The Terrible Night on King Road May. 09, 2025
33 - 29Sean Combs on Trial May. 11, 2025
33 - 30Center of the Storm Jun. 19, 2025
33 - 31Sean Combs: The Insiders Speak Jul. 11, 2025
33 - 32Secrets of Exam Room 9 Sep. 05, 2025
33 - 33The Night of the Audition Sep. 12, 2025
33 - 34The Betrayal of Sandra Birchmore Sep. 19, 2025