Most stalled cases don’t lack evidence—they lack a fresh look at what’s already there. This article examines how overlooked testing decisions and evidence gaps quietly keep investigations from moving forward.

Forensic investigative genetic genealogy is reshaping how law enforcement solves cold cases, but only when it’s used ethically, transparently, and with public trust at the center. From voluntary DNA opt-ins to global adoption and emerging AI tools, FGG/IGG offers agencies a powerful edge, alongside real responsibilities. This article explores how law enforcement can harness genetic genealogy effectively while safeguarding civil liberties and ensuring investigative integrity.