Explore open investigations, cold cases,
and reclassified mysteries enhanced through algorithmic analysis.
Case Files
Click Each Case # to Open Case File
Current Status: Unsolved | Active Algorithmic Review
A Northern California killer who taunted police with cryptic letters and coded messages. Decades later, the murders remain unsolved—but the data remains. This case file revisits the evidence through forensic history and modern AI analysis.
Open Case File
