Seasons
Episodes
Similar to Oktopus
6
The Forgotten
2009
6.2
Docent
2023
7.3
Cold Justice
2013
6
Grimsburg
2024
7.6
The Coroner: I Speak for the Dead
2016
6.1
The Case of: JonBenét Ramsey
2016
6.7
The Killing Season
2016
6.3
Alter Ego
2023
8
Sur les traces d'un tueur en série
2020
N/A
Le dernier soir
2019
8.4
Cold Case Files
1999
2
Enigma
2001
6.1
The Hunt for the Zodiac Killer
2017
N/A
Crime Stoppers: Case Files
2009
N/A
Poirier enquête
2016
7.3
The Forgotten West Memphis Three
2020
7.2
Breaking Homicide
2018
8.3
Unsolved Cases
1999
1
Shades
2025
6.1
Burden of Proof
2023