Two mutilated bodies are found in The Eclectic head shop in New Mexico. A year later the gruesome murders have continued, while the killer responsible for the bloody rampage is able to hide within a group of goth youths.

Top criminal investigators, forensic scientists and behavioral analysts track three serial killers.

A serial rapist reign of terror that spans more than eighteen years. He stalks and preys on elderly women living in Colchester, Ontario. Only a revolution in forensic science can catch the elusive attacker.

A sniper targeting abortion doctors turns murderous and a DNA "needle in a haystack" identifies the gunman.