Watch 'Mark of a Killer' Season 4 Online
Season 4 Episodes
1. The Monster
April 2nd, 2022
Investigators in East Baton Rouge, Louisiana, hunt for a serial murderer who carefully carves up and cuts the bodies of his victims after death.
2. The Bayou Strangler
April 9th, 2022
When multiple victims' bodies are dumped around Louisiana's bayou area, a task force is formed to catch a killer who police believe may have strangled over 20 men.
3. The Skull Crusher
April 16th, 2022
Police in Hartford, Connecticut investigate a string of ruthless killings in the Asylum Hill area committed by a killer with a devastating mark that leaves his victims nearly unrecognizable.
4. The D.C. Sniper
April 23rd, 2022
A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims out in public and in plain sight.
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His fear began when he woke up alone. His terror began when he realised he wasn't.
