Beloved 16-year-old Mickey Costanzo vanishes on her walk home from track practice in West Windover, Nevada, triggering an investigation that uncovers unlikely suspects, simmering jealousy, and shocking betrayal in a small desert casino town. Keith Morrison investigates what really happened that night. A high school student's ordinary walk home from track practice ends in disappearance, sparking an investigation revealing unexpected culprits in a tight-knit Nevada community.