Mark of a Killer

The BEST episodes of Mark of a Killer

Every episode of Mark of a Killer ever, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Mark of a Killer!

"Mark of a Serial Killer" examines the disturbing behaviors of serial killers. Step into the minds of some of the worst serial killers to date as they taunt law enforcement. Some of these killers get a perverse gratification by habitually stealing mementos from murder scenes, including things like shoes, jewelry, keys, and even body parts. All of these stolen things are meant to taunt the investigators while the killers build up their notoriety. The killers often leave trademark clues behind as a way to mark something that was theirs, but the investigators often use these as clues to find them.

Last Updated: 11/28/2022Network:Oxygen
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The Monster
star
8.00
7 votes

#1 - The Monster

Season 3 - Episode 11 - Aired 4/2/2022

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

Watch Now:AmazoniTunes
Summer of Fear
star
7.80
15 votes

#2 - Summer of Fear

Season 3 - Episode 10 - Aired 11/7/2021

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.

Watch Now:AmazoniTunes
The Interstate Killer
star
7.69
13 votes

#3 - The Interstate Killer

Season 3 - Episode 6 - Aired 10/17/2021

A killer crisscrosses the Midwest leaving a string of victims along the interstate, but when he realizes investigators are hot on his trail the murderer suddenly changes his mark.

Watch Now:AmazoniTunes
Bound To Kill
star
7.64
22 votes

#4 - Bound To Kill

Season 2 - Episode 9 - Aired 6/6/2020

A serial killer taunted Wichita, Kansas for decades with brazen letters taking credit for his horrific kills. At the introduction of the computer era, the killer gets sloppy and accidentally leaves a digital clue behind in his final taunt to police.

Watch Now:AmazoniTunes
Momentos of Murder
star
7.63
35 votes

#5 - Momentos of Murder

Season 1 - Episode 5 - Aired 2/24/2019

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 as he snaps their last photo ever.

Watch Now:AmazoniTunes
The Last Call Killer
star
7.60
35 votes

#6 - The Last Call Killer

Season 1 - Episode 2 - Aired 1/27/2019

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.

Watch Now:AmazoniTunes
The D.C. Sniper
star
7.60
5 votes

#7 - The D.C. Sniper

Season 3 - Episode 14 - Aired 4/23/2022

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

Watch Now:AmazoniTunes
Pattern of Murder
star
7.59
34 votes

#8 - Pattern of Murder

Season 1 - Episode 4 - Aired 2/17/2019

A killer hijacks the highways of Sacramento as several women are found strangled with their clothing cut into precise but odd patterns; a survivor leads police to a sports car driving deviant posing as a good samaritan to poach potential victims.

Watch Now:AmazoniTunes
Killer Caller
star
7.56
27 votes

#9 - Killer Caller

Season 2 - Episode 1 - Aired 4/9/2020

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.

Watch Now:AmazoniTunes
Hunted to Death
star
7.56
27 votes

#10 - Hunted to Death

Season 2 - Episode 6 - Aired 5/16/2020

Police find a string of murdered women in shallow graves in very remote areas of the Alaskan wilderness; after months of searching, police zero in on a local family man living a double life that no one suspects.

Watch Now:AmazoniTunes
An Appetite for Murder
star
7.53
32 votes

#11 - An Appetite for Murder

Season 1 - Episode 6 - Aired 3/3/2019

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

Watch Now:AmazoniTunes
Deaths in the Desert
star
7.50
10 votes

#12 - Deaths in the Desert

Season 3 - Episode 9 - Aired 10/31/2021

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

Watch Now:AmazoniTunes
Killer Athlete
star
7.48
27 votes

#13 - Killer Athlete

Season 2 - Episode 8 - Aired 5/30/2020

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.

Watch Now:AmazoniTunes
The Grim Sleeper
star
7.45
11 votes

#14 - The Grim Sleeper

Season 3 - Episode 7 - Aired 10/24/2021

A cold-blooded killer conceals his victims' bodies with trash, discarding them like garbage in the back alleyways of Los Angeles.

Watch Now:AmazoniTunes
An Eye for Murder
star
7.45
31 votes

#15 - An Eye for Murder

Season 1 - Episode 3 - Aired 2/10/2019

Dallas police discover three women murdered with their eyes surgically removed; police believe they have a deranged doctor on the loose until two rookie cops find themselves on the trail of a man with a talent for taxidermy and a hatred for women.

Watch Now:AmazoniTunes
Posed to Kill
star
7.45
38 votes

#16 - Posed to Kill

Season 1 - Episode 1 - Aired 1/20/2019

In 1990, a serial killer terrorizes the University of Florida's campus, killing five students in under four days; the Gainesville Ripper leaves behind a crime scene where all the victims have been stabbed but the females have been posed like dolls.

Watch Now:AmazoniTunes
Classified to Kill
star
7.44
16 votes

#17 - Classified to Kill

Season 3 - Episode 5 - Aired 4/16/2021

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.

Watch Now:AmazoniTunes
The I-95 Killer
star
7.42
19 votes

#18 - The I-95 Killer

Season 3 - Episode 2 - Aired 4/13/2021

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.

Watch Now:AmazoniTunes
The Smell of Death
star
7.33
21 votes

#19 - The Smell of Death

Season 2 - Episode 5 - Aired 5/7/2020

A rash of young men goes missing around Chicago during the 1970s; when bodies start washing up in the river, a pattern emerges; a small piece of evidence leads police to the home of a model citizen, where his furnace puts the suspect in the hot seat.

Watch Now:AmazoniTunes
The Charmer
star
7.33
15 votes

#20 - The Charmer

Season 3 - Episode 3 - Aired 4/14/2021

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.

Watch Now:AmazoniTunes
Collar and Leash Killer
star
7.29
28 votes

#21 - Collar and Leash Killer

Season 2 - Episode 7 - Aired 5/23/2020

Numerous women are found dead by the side of the road with a unique ligature that looks like a dog collar and leash; detectives are stumped until a 17-year-old girl manages an escape from a vicious kidnapper, leading police to a serial killer.

Watch Now:AmazoniTunes
Deadly Design
star
7.28
29 votes

#22 - Deadly Design

Season 2 - Episode 3 - Aired 4/23/2020

Brooklyn shop keepers are afraid of closing time as a killer shoots his victims while locking up their stores. Police release surveillance footage to the press and ask the public for help to find a duffle bag wielding murderer before he strikes again.

Watch Now:AmazoniTunes
The Englewood Killer
star
7.27
15 votes

#23 - The Englewood Killer

Season 3 - Episode 4 - Aired 4/15/2021

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.

Watch Now:AmazoniTunes
Deadly Summer
star
7.24
25 votes

#24 - Deadly Summer

Season 2 - Episode 2 - Aired 4/16/2020

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.

Watch Now:AmazoniTunes
Keys To A Killer
star
7.20
20 votes

#25 - Keys To A Killer

Season 2 - Episode 10 - Aired 6/13/2020

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.

Watch Now:AmazoniTunes

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