The Mark of a Killer - Season 2 (2020)

In the 1990s, 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. Police race against time to stop him before he can achieve twelve killings to complete the Zodiac.

A rash of young men go missing around Chicago during the 1970's. When bodies start washing up in the river a pattern emerges.

Tortured and murdered bodies of women have been showing up in remote areas of Alaska. All have been killed with the same kind of gun used by big game hunters.

A string of women are found dead by the side of the road with a unique ligature. Detectives are stumped until a 17-year-old girl manages an escape from a vicious kidnapper, leading police to a serial killer.

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.

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.

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.