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Mark of a Serial Killer Season 3 Episodes

Season 3 Episode Guide

14 Episodes 2021 - 0

Episode 1

The I-40 Killer

Mon, Apr 12, 2021 60 mins

A killer is murdering and mutilating young women along the Route 40 corridor in Delaware. But when investigators set up an undercover operation, the hunter soon becomes the hunted.

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Episode 2

The I-95 Killer

Tue, Apr 13, 2021 60 mins

After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar. Police ask the public for help in tracking down a dangerous drifter before he kills again.

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Episode 3

The Mark of a Killer

Wed, Apr 14, 2021 60 mins

A series of women in the Seattle area are found brutally murdered, their bodies posed. Police realize they may have a killer stalking the area nightclub scene, one who is able to charm his victims into submission.

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Episode 4

The Mark of a Killer

Thu, Apr 15, 2021 60 mins

Chicago police are investigating the murders of several women, whose bodies are discovered in abandoned buildings barefoot. Evidence indicates there is one offender, now police need to locate him.

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Episode 5

The Mark of a Killer

Fri, Apr 16, 2021 60 mins

Chicago detectives believe a serial killer is using the classified ads to lure and murder his victims. The investigation is set ablaze when flames obliterate evidence, until police make a shocking discovery.

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Episode 6

The Mark of a Killer

Sun, Oct 17, 2021 61 mins

A killer crisscrosses the Midwest leaving a string of victims along the interstate. When investigators are hot on the highway killer's trail, the murderer suddenly changes his mark.

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Episode 7

The Grim Sleeper

Sun, Oct 24, 2021 60 mins

A cold blooded killer conceals his victim's bodies with trash, discarding them like garbage in the back alleys across Los Angeles.

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Episode 8

The Tourniquet Killer

Sun, Oct 31, 2021 60 mins

A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.

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Episode 9

Deaths In The Desert

Sun, Oct 31, 2021 60 mins

El Paso investigators race to track down a ruthless killer that is burying his victims in shallow desert graves, dead or alive.

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Episode 10

Summer Of Fear

Sun, Nov 7, 2021 120 mins

Chaos descends on Phoenix as two serial killers compete for the media's attention and the bodies pile up faster than the police can investigate.

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Episode 11

The Monster

Sat, Apr 2, 2022 60 mins

In East Baton Rouge, investigators are on the hunt for a serial murderer. Their main clue is that the killer carefully carves up and cuts the bodies of his victims after death.

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Episode 12

The Bayou Strangler

Sat, Apr 9, 2022 60 mins

When multiple victims' bodies are dumped around the Louisiana Bayou area, a task force is formed to catch a killer who police believe may have strangled over 20 men.

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Episode 13

The Skull Crusher

Sat, Apr 16, 2022 60 mins

Hartford, CT police investigate a string of ruthless killings in the Asylum Hill area committed by a vicious killer with a devastating mark that leaves his victims nearly unrecognizable.

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Episode 14

The DC Sniper

Sat, Apr 23, 2022 60 mins

A serial sniper terrorizes the entire DC metro area by discreetly targeting random victims out in public and in plain sight.

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