Synopsis and details
Channeling sibling rivalries and deadly childhood pacts, this series follows true-crime mysteries surrounding cases of these double-duty archetypes.
Seasons and episodes
Season 1
12 Episodes · 2012-07-26
Season 2
6 Episodes · 2014-03-27
Season 3
3 Episodes · 2015-10-15
Season 4
6 Episodes · 2017-09-25
Season 5
3 Episodes · 2018-10-09
Season 6
3 Episodes · 2018-10-09
Cast
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