The Mark of a Killer

The macabre rituals of serial killers are examined.

Cast:Joni E. Johnston , Andrew D. Erath , Jill Holder , Mark E. Safarik , Larry Lemanski , Jay Heselschwerdt , Katherine Ramsland , Mary Ellen O'Toole , Rachel B. Erath , Richard Lamparter , John Matthew Fabian , Roger Albelo , Sarah Fawaz , Ryan Hammond , LeighAnne Coleman , Kimberlie A. Massnick , Taylor Nicole , Cliff Shepard

1Season 1

S1.E1 ∙ Posed to Kill

Sun, Jan 20, 2019

Absolutely no one could have predicted the unnerving and horrific beginning of a new school year at the University of Florida in 1990 as a string of bizarre murders infiltrated and shocked the college campus.

2Season 1

S1.E2 ∙ The Last Call Killer

Sun, Jan 27, 2019

In New Jersey four bodies are found dismembered, bagged, and thrown in roadside garbage cans. The "Last Call Killer" hunted his victims openly in piano bars but no one suspected he could be hiding in plain sight, working as a local nurse.

3Season 1

S1.E3 ∙ An Eye for Murder

Sun, Feb 3, 2019

Police believe a deranged doctor is responsible for murdering three women and surgically removing their eyes until they find themselves on the trail of a man with a talent for taxidermy and hatred for women.

4Season 1

S1.E4 ∙ Pattern of Murder

Sun, Feb 10, 2019

A killer hijacks the highways of Sacramento as several women are found strangled with their clothing cut into precise but odd patterns.

5Season 1

S1.E5 ∙ Momentos of Murder

Sun, Feb 24, 2019

When the Hillside Stranglers are caught police realize they still have another serial killer running rampant in Los Angeles. He tortures and toys with his model victims while keeping pieces of their jewelry.

6Season 1

S1.E6 ∙ An Appetite for Murder

Sun, Mar 3, 2019

Texas authorities have a killer riding the rails and leaving a literal trail of bread crumbs after eating at victims' tables. The FBI names a Most Wanted suspect and a national manhunt for "The Railroad Killer" ensues.

1Season 2

S2.E1 ∙ Killer Caller

Thu, Apr 9, 2020

Twin Cities, MN, police are hunting for a killer caller who confesses to a string of murders in a chilling, high-pitched voice, begging for forgiveness. No one can identify him until one woman survives a brutal attack.

2Season 2

S2.E2 ∙ Deadly Summer

Thu, Apr 16, 2020

In the summer of 1976, the NYPD are chasing a man shooting at couples in parked cars with a gigantic, .44 caliber handgun. He taunts the city with terrifying letters until police get a lead about a suspect who has shot a neighbor's dog.

3Season 2

S2.E3 ∙ Deadly Design

Thu, Apr 23, 2020

Police release surveillance footage to the press and ask the public for help to find a duffle bag wielding murderer before he strikes again.

4Season 2

S2.E4 ∙ The Other Zodiac

Thu, Apr 30, 2020

In the 1990's, New York is on edge as a killer leaves coded clues at crime scenes and declares his compulsion to choose victims by their birth signs. Police race against time before he can achieve twelve killings to complete the Zodiac.

5Season 2

S2.E5 ∙ The Smell of Death

Thu, May 7, 2020

A rash of young men go missing around Chicago during the 1970's. When bodies start washing up in the river a pattern emerges.

6Season 2

S2.E6 ∙ Hunted to Death

Sat, May 16, 2020

Tortured and murdered bodies of women have been showing up in remote areas of Alaska. All have been killed with the same kind of gun used by big game hunters.

7Season 2

S2.E7 ∙ Collar and Leash Killer

Sat, May 23, 2020

A string of women are found dead by the side of the road with a unique ligature. Detectives are stumped until a 17-year-old girl manages an escape from a vicious kidnapper, leading police to a serial killer.

8Season 2

S2.E8 ∙ Killer Athlete

Sat, May 30, 2020

The I-5 corridor in California is taken over by a brazen bandit who terrorizes the highway with a blitz of assaults and murders. The only clue to the identity of the killer is a specific athletic tape used to bind his victims.

9Season 2

S2.E9 ∙ Bound to Kill

Sat, Jun 6, 2020

A serial killer taunted Witchita, Kansas for decades with brazen letters taking credit for his horrific kills.

10Season 2

S2.E10 ∙ Keys to a Killer

Sat, Jun 13, 2020

In the 1990s, Louisiana is terrorized by multiple serial killers. The small-town PD of Zachary discover the key to solving their cases when a pattern emerges with personal items missing from each local victim.

1Season 3

S3.E1 ∙ The I 40 Killer

Mon, Apr 12, 2021

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.

2Season 3

S3.E2 ∙ The I-95 Killer

Tue, Apr 13, 2021

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

3Season 3

S3.E3 ∙ The Charmer

Wed, Apr 14, 2021

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.

4Season 3

S3.E4 ∙ The Englewood Killer

Thu, Apr 15, 2021

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.

5Season 3

S3.E5 ∙ Classified to Kill

Fri, Apr 16, 2021

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.

6Season 3

S3.E6 ∙ The Interstate Killer

Sun, Oct 17, 2021

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.

7Season 3

S3.E7 ∙ The Grim Sleeper

Sun, Oct 24, 2021

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

8Season 3

S3.E8 ∙ The Tourniquet Killer

Sun, Oct 31, 2021

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

9Season 3

S3.E9 ∙ Deaths in the Desert

Sun, Oct 31, 2021

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

10Season 3

S3.E10 ∙ Summer of Fear

Sun, Nov 7, 2021

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.

11Season 3

S3.E11 ∙ The Monster

Sat, Apr 2, 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.

12Season 3

S3.E12 ∙ The Bayou Strangler

Sat, Apr 9, 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.

13Season 3

S3.E13 ∙ The Skull Crusher

Sat, Apr 16, 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.

14Season 3

S3.E14 ∙ The D.C. Sniper

Sat, Apr 23, 2022

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

1Season 4

S4.E1 ∙ The Monster

Sat, Apr 2, 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.

2Season 4

S4.E2 ∙ The Bayou Strangler

Sat, Apr 9, 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.

3Season 4

S4.E3 ∙ The Skull Crusher

Sat, Apr 16, 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.

4Season 4

S4.E4 ∙ The D.C. Sniper

Sat, Apr 23, 2022

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

5Season 4

S4.E5 ∙ The Bayou Stranger

Sat, Apr 9, 2022

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