USA,
2012, 7 h 2 min
(Length: 42–86 min)
VOD (1)
Episodes(8)
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American Killers (S04E01)
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Pack of Teeth (S04E02)
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Invisible Executioner (S04E03)
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Asian Slayer (S04E04)
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Russian Killer (S04E05)
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Mongolian Mauler (S04E06)
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Phantom Assassin (S04E07)
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Lair of Giants (S04E08)
Gallery (103)
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