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.