A suspenseful new series, "Unraveled: Countdown to a Kill" recounts the fateful relationship between killer and victim as their paths intertwine. Chance meetings, random acts of violence, and mysterious encounters send ordinary people down a deadly collision course toward their own mortality. As an on-screen clock counts down the victim's final hours, days, or even years, viewers track the decisions and actions that bring the victim closer to their killer's fatal trap. (Source: Investigation Discovery)