Synopsis
Origin:
Channeling sibling rivalries and deadly childhood pacts, this series follows true-crime mysteries surrounding cases of these double-duty archetypes.
First Aired
2012-07-26
Last Aired
2020-04-21
Network
Investigation Discovery
Channeling sibling rivalries and deadly childhood pacts, this series follows true-crime mysteries surrounding cases of these double-duty archetypes.
First Aired
Last Aired
Network
