Mark of a Killer

A killer is murdering and mutilating young women along the Route 40 corridor in Delaware. But when investigators set up an undercover operation, the hunter soon becomes the hunted.

After multiple men are discovered brutally murdered, investigators determine that each victim was last seen with a handsome stranger they met in a bar.

A series of women in the Seattle area are found brutally murdered, their bodies posed.

Chicago police are investigating the murders of several women, whose bodies are discovered in abandoned buildings barefoot.

Chicago detectives believe a serial killer is using the classified ads to lure and murder his victims.

A killer crisscrosses the Midwest leaving a string of victims along the interstate.

A cold blooded killer conceals his victim's bodies with trash, discarding them like garbage in the back alleys across Los Angeles.

A Houston killer taunts the media and authorities as he uses homemade ligatures to murder his victims.

El Paso investigators race to track down a ruthless killer that is burying his victims in shallow desert graves, dead or alive.

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.

In East Baton Rouge, investigators are on the hunt for a serial murderer.

When multiple victims' bodies are dumped around the Louisiana Bayou area, a task force is formed to catch a killer who police believe may have strangled over 20 men.

Hartford, CT police investigate a string of ruthless killings in the Asylum Hill area committed by a vicious killer with a devastating mark that leaves his victims nearly unrecognizable.

A serial sniper terrorizes the entire DC metro area by discreetly targeting random victims out in public and in plain sight.