Mark of a Killer

Overview
Mark of a Killer explores the chilling motivations behind serial killers who elevate their brutal acts into elaborate fantasies. Through gripping narratives, this true-crime docuseries reveals how these criminals engage in horrific behaviors that not only fulfill their dark desires but also enable them to relive the thrill of their heinous acts repeatedly. Each episode delves into the psyche of these offenders, uncovering the methods and madness that drive them to commit such unspeakable crimes, providing a haunting glimpse into their twisted worlds.
Episodes
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1

Slow Boy (1)
A dedicated surveillance team, tasked with capturing criminals in real-time, successfully apprehends Slow Boy during a supermarket heist. However, the...
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1
Posed to Kill
Title: Posed to Kill Plot: In the fall of 1990, a chilling serial murderer wreaks havoc on the University of Florida, claiming the lives of five stud...
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2

Slow Boy (2)
A dedicated task force established to intercept lawbreakers in action successfully corners Slow Boy during a supermarket heist. However, the situatio...
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2
The Last Call Killer
In New Jersey, four dismembered bodies are discovered, stuffed into bags and discarded in roadside trash bins. The infamous "Last Call Killer" preyed ...
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3

Dangerous Games
Undercover officer Charlie Czonka is on a mission to dismantle a criminal network involved in prostitution, drug trafficking, and extortion. As he de...
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3
An Eye For Murder
In Dallas, authorities uncover the grim scene of three women who have been killed, their eyes meticulously removed. Initially, the police suspect a tw...
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4

Requiem for an Informer
A struggling addict finds a new sense of purpose when he agrees to assist the police with their investigation into a recent bank heist. As he delves d...
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4
Pattern of Murder
A murderer terrorizes the highways of Sacramento, leaving a trail of strangled women, each with their clothes meticulously altered in strange designs....
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5

The Ten Year Honeymoon
After a decade of working together, two police partners find themselves increasingly irritable with one another when one of them starts behaving oddly...
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5
Momentos of Murder
After the Hillside Stranglers are apprehended, law enforcement discovers that another serial killer is still on the loose in Los Angeles. This new pre...
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6

The Violent Homecoming
A Mexican-American police sergeant returns to his roots as he takes charge of the Juvenile Division in his old neighborhood. Faced with the rising thr...
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6
An Appetite for Murder
Title: A Taste for Terror Plot: In Texas, law enforcement is on the hunt for a murderer who travels by train, leaving behind a peculiar trail of brea...
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7

The Ho Chi Minh Trail
An undercover officer finds himself in peril as he infiltrates a major drug trafficking ring. As he delves deeper into the dangerous world of narcoti...
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8

Collision Course
The debate over the assignment of female officers to patrol cars escalates dramatically during a tense shootout involving two armed criminals. As the ...
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9

Death on Credit
Undercover officer Sergeant Rick Calvelli delves into the treacherous world of a counterfeit credit card operation. As he navigates this illicit sche...
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10

The Big Walk
A dedicated beat officer faces a test of his newfound authority when he arrests a privileged young woman. However, as she skillfully navigates the leg...
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11

Man on the Rack
An unconventional police officer inadvertently causes the death of a colleague during a tense situation. Following the tragic incident, he finds himse...
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12

Line of Fire
A rookie officer is welcomed into an elite police task force, where he quickly confronts the harsh realities of taking a life. As he navigates the cha...
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13

Chain of Command
A brewing conspiracy to assassinate police officers ignites tensions between a local black community and law enforcement. As accusations and mistrust ...
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14

Countdown (1)
In the episode "Countdown (1)," Officer Joe LaFrieda finds himself in a perilous situation after he fatally shoots a member of a notorious crime famil...
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15

Countdown (2)
Tensions escalate as law enforcement confronts the Mob after a hit is ordered on Officer Joe LaFrieda. As the clock ticks down, both sides prepare f...
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16

Cop in the Middle
A corrupt officer hatches a scheme to escape public shame and maintain his position. As he navigates a web of deceit, he must balance his self-preserv...
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17

The Ripper
Two detectives from the Robbery-Homicide division embark on a chilling investigation to apprehend a serial killer targeting homosexual men. As the off...
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18

Country Boy
A young man hailing from a small-town upbringing strives to break free from his roots by tackling the grueling challenges of Police Academy training i...
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19

The Hunters
Two detectives find themselves deeply affected by a case when a close friend falls prey to a brutal robber, rapist, and murderer. As they delve into ...
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20

Wyatt Earp Syndrome
An officer becomes consumed with the pursuit of a rapist, dedicating every waking moment to the case. As he delves deeper into his work, his personal ...
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21

Fingerprint
A seasoned officer in the Latent Prints Division feels disillusioned with his career until a surprising confrontation reignites his passion for the j...
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22

Chief
A police chief finds himself entangled in a web of political maneuvering and a deadly assassination scheme as he prepares to address a contentious loc...
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1

A Dangerous Age
As Arch Tatum approaches his retirement, he finds himself paired with a determined young trainee who challenges the seasoned veteran's methods. Their...
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1
Killer Caller
Title: The Confession Caller Plot: In the Twin Cities, MN, law enforcement is on the trail of a mysterious voice behind a series of chilling murders....
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2
Requiem for C.Z. Smith
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2
Deadly Summer
During the summer of 1976, the NYPD pursues a man who is randomly firing a massive .44 caliber handgun at couples in parked cars. He instills fear in ...
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3

Robbery: 48 Hours
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3
Deadly Design
Shop owners in Brooklyn are on edge as a murderer targets victims while they close their shops for the night. In response, the police have shared surv...
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4
The Other Zodiac
Set in the 1990s, New York City is rife with tension as a murderer taunts authorities by leaving cryptic messages at the scenes of his crimes. He reve...
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4

Fathers and Sons
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5
The Smell of Death
In the 1970s, a troubling series of disappearances involving young men grips Chicago. As bodies begin to surface in the river, investigators uncover a...
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5
A World Full of Hurt
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6
Hunted to Death
Title: The Hidden Predator Plot: Authorities uncover a series of slain women buried in shallow graves scattered throughout the isolated Alaskan wilde...
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6
Glamour Boy
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7
Across the Line
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7
Collar and Leash Killer
Title: Collar and Leash Killer Plot: A string of women are discovered lifeless along the highway, each bearing a distinctive binding resembling a dog...
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8
Wolf
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8
Killer Athlete
Title: Athletic Predator Plot: The I-5 highway in California becomes the scene of a chilling crime spree as a bold assailant wreaks havoc through a s...
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9
Love, Mabel
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9
Bound To Kill
For years, a serial murderer tormented Wichita, Kansas, sending bold letters that boasted about his gruesome crimes. As the digital age emerged, the k...
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10
Explosion
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10
Keys To A Killer
Title: Clue to a Murderer Plot: Set in 1990s Louisiana, the town of Zachary faces a grim wave of serial killings. As the local police department inve...
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11
Capt. Hook
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12
Incident in the Kill Zone
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13
Headhunter
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14
Year of the Dragon (1)
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15
Year of the Dragon (2)
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16

To Steal a Million
Detectives Grosser and Hyland are on high alert as they anticipate a major hotel robbery in the works. While they have identified the culprits behind...
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17
Sniper
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18
The Execution
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19
The Man in the Shadows
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20
War Games
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21
The Witness
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1
Officer Needs Help
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1
The I-40 Killer
Title: The I-40 Killer Plot: A string of brutal murders targeting young women along the I-40 highway in Delaware sends shockwaves through the commu...
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2
The Cutting Edge
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2
The I-95 Killer
Following the gruesome discovery of several murdered men, detectives uncover a chilling pattern: each victim had recently interacted with an attractiv...
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3
A Community of Victims
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3
The Charmer
In Seattle, a string of women is discovered murdered in a gruesome manner, their bodies arranged in disturbing poses. Authorities come to the unsettli...
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4
The Losing Game
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4
The Englewood Killer
The Chicago police are looking into the homicides of multiple women found dead in vacant buildings, all without shoes. The findings suggest that a sin...
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5
Classified to Kill
Title: Classified to Kill Plot: In Chicago, detectives suspect that a serial killer is targeting victims through classified advertisements. As the in...
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6
Face for a Shadow
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6
The Interstate Killer
A ruthless killer roams the Midwest, leaving a trail of victims scattered along the interstate. Just as investigators begin to close in on the highway...
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7
The Test of Brotherhood
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7
The Grim Sleeper
Title: The Grim Sleeper Plot: In the dark underbelly of Los Angeles, a ruthless murderer hides his victims among heaps of refuse, treating their live...
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8
The Tourniquet Killer
In Houston, a murderer plays a chilling game with the press and law enforcement, taunting them as he carries out his brutal killings using makeshift l...
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8
Empty Weapon
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9
Deaths in the Desert
Title: Desert Murders Plot: Detectives in El Paso are on a frantic mission to apprehend a cruel murderer who is concealing his victims in the arid de...
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9
Little Boy Lost
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10
Summer of Fear
Title: Summer of Terror Plot: Phoenix is plunged into turmoil when two serial killers vie for the spotlight, leading to an alarming increase in victi...
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10
Vice: Twenty-Four Hours
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11
The Monster
In East Baton Rouge, Louisiana, detectives are on the trail of a serial killer who meticulously dismembers the bodies of his victims post-mortem.
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11
Breaking Point
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12
The Bayou Strangler
Title: The Bayou Strangler Plot: A series of bodies surface in the swamps of Louisiana, prompting authorities to create a specialized task force aime...
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12
Company Man
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13
The Skull Crusher
In Hartford, Connecticut, law enforcement is grappling with a series of brutal murders in the Asylum Hill neighborhood. The perpetrator leaves a horri...
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13
Spanish Class
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14
The D.C. Sniper
Title: The D.C. Sniper Plot: A mysterious sniper wreaks havoc across the D.C. metropolitan region, striking fear into the hearts of residents as he s...
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14
Odyssey of Death (1)
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15
Odyssey of Death (2)
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16
The Other Side of the Fence
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17
Fifty Cents, First Half Hour -- One Dollar and Seventy-Five Cents All Day
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18
Firebird
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19
The Long Ball
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20
Eamon Kinsella Royce
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21
Officer Dooly
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22
Open City
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1
Payment Deferred
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2
Bought and Paid For
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3
Two Frogs on a Mongoose
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4
The Other Side of the Badge
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5
Three Days to Thirty
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6
Trash Detail, Front and Center
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7
Thanksgiving
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8
Monster Manor
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9
Oxford Gray
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10
The Jar (1)
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11
The Jar (2)
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12
Trial Board
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13
Spitfire
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14
Nightmare on a Sunday Morning
Nineteen-year-old Holly Green, a waitress, faces a harrowing ordeal when she is violently attacked and assaulted by two men. Struggling with the trau...
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15
The Malflores
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16
The Blue Fog
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17
Hard Rock Brown
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18
End of the Line
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19
One of Our Cops Is Crazy
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20
Ice Time
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21
The Six Foot Stretch
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22
Prime Rib
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1
Pressure Point
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2
Stigma
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3
River of Promises
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4
Day of Terror, Night of Fear
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5
The Broken Badge
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6
No Margin for Error
A dedicated police officer grapples with overwhelming remorse after a botched shoot-out results in the deaths of innocent civilians. As he struggles t...
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7

A Chance to Live
The leader of a covert drug enforcement team tasks a rookie officer with going undercover to penetrate a teenage drug operation within a local high s...
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8
A Cry for Justice
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9
Confessions of a Lady Cop
The mounting pressures of both her job and personal life push a vice investigator to the edge of a nervous breakdown.
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10
The Freeway Killings
As officers navigate the streets of Los Angeles, they confront both personal struggles and professional challenges while hunting for a serial killer ...