Moscow, Idaho hadn't seen a murder in seven years. It was the kind of town where parents felt okay dropping their kid off at college and driving away. Small. Quiet. Safe.

Then, sometime between 4:00 and 4:25 in the morning on November 13th, 2022, someone entered a house on King Road and stabbed four people to death in 25 minutes. Kaylee Goncalves. Madison Mogen. Xana Kernodle. Ethan Chapin. Two of them were weeks away from graduating. One of them was only there because it was the weekend and he was staying with his girlfriend.

The internet caught fire. Tips flooded in. Innocent people were accused. The town was terrified. And the Moscow Police Department — a small agency that hadn't worked a homicide in years — was staring at a crime scene with almost nothing to go on.

Almost.

A knife sheath on a dead girl's bed. A white H ...