
Mark of a Serial Killer
A serial killer taunts Wichita, Kan., for decades with brazen letters.

A serial killer taunts Wichita, Kan., for decades with brazen letters.

The I-5 corridor in California is taken over by a brazen bandit who terrorizes the highway.

Numerous women are found dead with a unique ligature that looks like a dog collar and leash.

Police find a string of murdered women in shallow graves in remote areas of the Alaskan wilderness.

Young men go missing around Chicago during the 1970s; evidence leads police to a model citizen.

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 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.

Just before New Year's, a hockey mom is gunned down at her front door.