2. Paul Stephani

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.

3. Rory Conde

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.

4. Billy Chemirmir

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.