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When church-going mother Betsy Faria is found stabbed to death in her quiet Missouri home, police initially suspect suicide; suspicions arise when more dead bodies are found.

For 18-year-old Bonnie Craig, what begins as a routine walk to the school bus takes a tragic turn when she disappears; Bonnie's body is found in the water near a trail, and with no signs of foul play police initially rule her death a hiking accident.

In 2011, two Miami businessmen disappear; when police connect the two missing-person cases, the investigation stretches from one man's tight-knit family into South Florida's business elite and the world of professional mixed martial arts fighting

Beloved Portland chef Dan Brophy is found shot dead at the culinary school where he teaches; detectives dig into his world, uncovering an unlikely cast of suspects: students, colleagues, and mushroom foragers.

When a young couple is found shot dead in a crashed car in Nashville, detectives dig through phone records and blurry security footage that lead them across state lines straight into a secret someone was willing to kill to protect.