Mark of a Serial Killer
Two serial killers compete for the media's attention and the bodies pile up.
Two serial killers compete for the media's attention and the bodies pile up.
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Investigators believe a love triangle might have led to the brutal murders of a young man and woman.
A prominent couple are found brutally murdered in their Alabama home on Thanksgiving night.
A single young mother fails to show up for work on Halloween.
A teenage boy discovers a real-life horror scene in his home on Halloween morning.
Investigators uncover a love triangle when a young mother is murdered during the Christmas holiday.
Christmas tree farmers are executed in the front seat of their car and a manhunt is launched.
Dayton, Ohio, is terrorized over the Christmas holiday as a string of brutal shootings.
A brutal killer stabs and dismembers a couple the day after their Thanksgiving celebration.
A family is found massacred inside their Santa Claus, Georgia home.
A beloved couple is found murdered inside their home on Christmas morning.
Just after Christmas, a young couple is found murdered inside their Florida home.
A woman is shot to death while driving her sons home from a Thanksgiving celebration.
In the 1990's, New York is on edge as a killer leaves coded clues at crime scenes.
Brooklyn shop keepers are afraid of closing time.
In the summer of 1976, the NYPD are chasing a man shooting at couples in parked cars.
Minnesota police hunt for a killer caller who confesses to a string of murders.
A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims.
A killer in Hartford, Conn., with a devastating mark that leaves his victims nearly unrecognizable.
A task force is formed when multiple bodies are dumped around Louisiana's bayou area.
Louisiana investigators hunt for a serial murderer who carves up the bodies of his victims.
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