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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.No live or upcoming content available at this time
S3, EP11 "The Monster"Investigators in East Baton Rouge, La., hunt for a serial murderer who carefully carves up and cuts the bodies of his victims after death.
S3, EP10 "Summer of Fear"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.
S3, EP9 "Deaths in the Desert"El Paso investigators race to track down a ruthless killer who is burying his victims in shallow desert graves, dead or alive.
S3, EP8 "The Tourniquet Killer"A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
S3, EP7 "The Grim Sleeper"A cold-blooded killer conceals his victims' bodies with trash, discarding them like garbage in the back alleyways of Los Angeles.
S3, EP6 "The Interstate Killer"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.
S3, EP5 "Classified to Kill"Chicago detectives believe that a serial killer is using classified ads to lure and murder his victims.
S3, EP4 "The Englewood Killer"Chicago police investigate the murders of several women, whose bodies are discovered in abandoned buildings barefoot.
S3, EP3 "The Charmer"After a series of women in the Seattle area are found brutally murdered with their bodies posed, police realize that they might have a killer stalking the area nightclub scene who is able to charm his victims into submission.
S3, EP2 "The I-95 Killer"After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar.
S2, EP10 "Keys to a Killer"In the 1990s, Louisiana is terrorized by multiple serial killers; the Zachary Police Department discovers the key to solving their cases when a pattern emerges with personal items missing from each local victim.
S2, EP9 "Bound to Kill"A serial killer taunts Wichita, Kan., for decades by sending brazen letters and taking credit for horrific kills; at the introduction of the computer era, the killer gets sloppy and accidentally leaves a digital clue.
S2, EP8 "Killer Athlete"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 killer's identity is a specific athletic tape used to bind his victims.
S2, EP7 "Collar and Leash Killer"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.
S2, EP6 "Hunted to Death"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.
S2, EP5 "The Smell of Death"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.
S2, EP4 "The Other Zodiac"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.
S2, EP3 "Deadly Design"Brooklyn shop keepers are afraid of closing time as a killer shoots his victims while locking up their stores.
S2, EP2 "Deadly Summer"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.
S2, EP1 "Killer Caller"Minnesota police hunt 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.
S1, EP6 "An Appetite for Murder"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.
S1, EP5 "Momentos of Murder"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.
S1, EP4 "Pattern of Murder"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.
S1, EP3 "An Eye for Murder"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.
S1, EP2 "The Last Call Killer"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.
S1, EP1 "Posed to Kill"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.
"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.
Original Air Date: Jan 20, 2019
Genres: DocuseriesTV Series
Rating: TV14
Playback: HD
3 seasons available on demand (26 episodes)
Available on
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