The Journal. The Journal.

To Solve a Cold Case, French Police Bent DNA Privacy Law

Aug 12, 2026 · 25m

Summary

This episode examines how French police solved the "Predator of the Woods" cold case by bypassing strict privacy laws to use U.S. genetic genealogy databases. Host Jessica Mendoza and correspondent Matthew Dalton discuss the tension between Europe’s data protection norms and the effectiveness of DNA testing in catching serial offenders. The story highlights the arrest of suspect Bruno Lambrich-Gonsalvo and the ongoing legal debate over legitimizing this investigative technique in Europe.

Topics discussed

The Predator of the Woods: France's Notorious Cold Case Show Intro and Sponsor Messages How Genetic Genealogy Solved the Golden State Killer US vs. Europe: Privacy Laws and DNA Databases French Police Seek FBI Help to Crack the Case Sponsor Messages: Optum and KeyBank Identifying the Suspect Through Family Trees Narrowing Down Suspects and Arresting Bruno Lambrich-Gonsalvo Suspect's Suicide and Legal Challenges Legal Aftermath and Future of Genetic Genealogy in Europe
Listen ad-free on Castria