Kelsey's family knew something was amiss when their usually responsible and responsive daughter didn't respond to their texts while out running an errand. Hear the harrowing saga around Kelsey's disappearance and how her parents' persistence with Kelsey's cell phone provider helped authorities find her.

After a family celebration, 18-year-old Nia Wilson and her two sisters decided to take public transportation back home to Oakland, California. But just minutes after texting their father, the sisters were brutally targeted at a train station. The knife attack sparked a city-wide search for the perpetrator and ignited a powerful movement against racial injustice.

Residents of small-town Robeson, Pennsylvania were stunned when 23-year-old Ashley Kline went missing on New Year's Eve. The 12-day search turned up several suspects until investigators uncovered suspicious text messages. The gruesome truth rocked the community.