After a woman and her unborn child are stabbed to death on Halloween by a man wearing a wolf mask, investigators must calm the community and find the killer before he strikes again.
An abandoned car filled with blood leads investigators on the trail of a missing woman and her teenage daughter, who never showed up to the family's July 4th party when their remains are found in a pond, everyone in their small town is a suspect.
When a young woman goes missing after a July 4th beach party, investigators have few clues to go on until a twist in the case reveals she might be the latest victim of a predator terrorizing the area.
Beloved Christmas tree farmers are executed in the front seat of their car and a manhunt for their killer is launched that keeps investigators on the case for over three decades before justice is served.
Dayton, Ohio, is terrorized over the Christmas holiday as a string of brutal shootings have the residents wondering if they could be next.
A Thanksgiving feast turns into a family's last when a cold blooded killer brutally stabs and dismembers a couple the day after their holiday celebration.
After a family is found massacred inside their Santa Claus, Georgia home, the hunt for their killer hinges on the eyewitness testimony of the three young surviving daughters.
A beloved couple is found murdered inside their home on Christmas morning a single palm print is left behind investigators work tirelessly to match the print to a suspect, until a letter from prison takes the case on an unexpected course.
Just after Christmas, a young couple is found murdered inside their Florida home neighbors can't imagine the couple had been in the area long enough to make a mortal enemy police uncover deeply personal details, and soon expose a deadly secret.
A woman is shot to death while driving her sons home from a Thanksgiving celebration the hunt for her killer leads to an unlikely suspect, making investigators realize her murder is not as random as it seems.
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.
Investigators in East Baton Rouge, La., hunt for a serial murderer who carefully carves up and cuts the bodies of his victims after death.
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.
El Paso investigators race to track down a ruthless killer who is burying his victims in shallow desert graves, dead or alive.
A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.
A cold-blooded killer conceals his victims' bodies with trash, discarding them like garbage in the back alleyways of Los Angeles.
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.
Chicago detectives believe that a serial killer is using classified ads to lure and murder his victims.
Chicago police investigate the murders of several women, whose bodies are discovered in abandoned buildings barefoot.
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.