Season 01
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Season 04
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wiles to manipulate us, seduce us and try to get away with murder.
All Episodes - S02
EPS03
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wi ...
EPS04
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wi ...
EPS05
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wi ...
EPS06
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wi ...
EPS07
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wi ...
EPS08
Calculating. Cunning. Cold as ice. In Diabolical, a new gripping ten-episode series on Investigation Discovery, these shockingly devious masterminds use their wits and wi ...