After Aaron Friar and his 15-year-old daughter Ellie vanished from their Medford, Ore., home, police arrived to discover a horrific scene. An 11-year-old witness proves critical to the investigation and points detectives toward multiple suspects. Natalie Morales reports on how Ellie's forbidden teen relationship may have led to a murder.

The case of a college student, Catina Salarno, who was murdered by her high school sweetheart who lived across the street. As Salarno's family seeks justice, they embark on a decades-long battle to keep her killer, Steven Burns, behind bars.