Open Casebook explores the methods and techniques behind the investigation. Forensic genealogy. AI-assisted facial reconstruction. Open source intelligence. Good old-fashioned obsessive research.

These are the tools being used by detectives, academics, genealogists, and civilians alike to solve crimes, locate the missing, and bring long-overdue justice to cases the world had largely forgotten.

Some of these cases made headlines. Many never did. But behind every one of them is a story, and someone who refused to stop looking.