Season 2

When four women are found murdered across four states in a single month, police race to track down a charismatic drifter whose charm conceals what experts believe is a deadly rage toward women.

When a series of brutal attacks on young women terrorizes the Twin Cities, detectives are taunted by a killer who repeatedly calls 911 to confess - forcing investigators into a desperate race to stop him before he kills again.

After a killer dumps bodies along Miami's Tamiami Trail, delivering a chilling message scrawled on a victim's back, a rising body count fuels a desperate hunt -- until one woman's daring escape exposes the predator hiding in plain sight.

When police discover a string of deaths at an upscale retirement community are not natural, they uncover a predator with a motive that defies reason and end up exposing what could be one of the most prolific serial killers in American history.

When police discover the chilling connection of a slaughtered mother and daughter to a convicted murderer, they go on a hunt across state lines to stop a calculating maniacal killer methodically checking victims off his deadly list.

After a young mother of two is found murdered and posed at a truck stop, investigators launch a desperate manhunt for a long-haul trucker whose killing spree leaves a trail of victims across state lines.

After a series of victims are found in upstate New York, posed and stabbed beyond recognition, police pursue a maniacal suspect seemingly unable to control a compulsive urge to kill.

Bodies of gay men appear along I-95, each marked by the same chilling signature. Investigators connect the murders and reveal a serial killer who slips across state lines. As panic grows, the FBI tries to corner the predator before he strikes again.

Young women are brutally murdered on both sides of the Savannah River, leaving investigators searching desperately for clues until a surviving victim manages to escape and expose the predator hiding as a suburban father

As Phoenix faces a severe wave of violence, detectives must simultaneously hunt down two deadly predators—a rapist turned murderer and a random sniper—as the city plunges into fear and the body count rises