Who / What
Investigative genetic genealogy is the application of genealogy in a legal setting, specifically the use of direct‑to‑consumer DNA data to identify suspects or victims in criminal cases. The practice, also known as forensic genetic genealogy, allows investigators to draw connections between unknown DNA samples and living or deceased relatives.
Background & History
This emerging practice has grown in recent years alongside the rise of consumer DNA testing services. As more individuals upload their genetic information, law‑enforcement agencies gain a powerful new tool for criminal investigations. Key milestones include its early adoption in high‑profile cases and the refinement of algorithms that match genetic relatives to missing persons or unknown suspects.
Why Notable
Investigative genetic genealogy has had a profound impact on modern forensics, providing closure in cases that had gone cold for decades. By leveraging vast genetic databases, investigators can pinpoint individuals who would otherwise remain invisible to the law. The methodology has already led to the resolution of hundreds of cases, demonstrating its effectiveness and transformative potential.
In the News
As of December 2023, the technique has solved **651 criminal cases**, identified **318 individual perpetrators**, discovered **464 decedents**, and named **4 living Does**. These numbers highlight its rapid growth and growing importance in contemporary investigative work.
