The method has proven particularly useful in two categories of cases: cold case homicides and sexual assaults where biological evidence has been preserved, and cases involving unidentified human remains where the identity of a victim is unknown. In the latter category, the same genealogical approach that identified a perpetrator can be used to identify a victim, building a family tree from the victim’s DNA, then tracing forward to find the individual who is missing from that family’s records.
The Department of Justice interim guidelines of 2019 established a federal framework restricting the method to violent crimes and unidentified remains cases. The guidelines have been widely adopted as a principle, even in jurisdictions not legally bound by them.
The case continues to be studied in law school courses, bioethics programs, and forensic science curricula as a case study in the intersection of new technology, investigative practice, legal frameworks, and ethical constraints.
## What Barbara Rae-Venter Has Said
Barbara Rae-Venter has been measured in her public remarks about the case. Her public statements have confirmed the general outlines of her role and have addressed the ethical considerations she applied.
She has said, in various forums, that she concluded the investigative use of the genealogy database was justified by the severity and scope of the crimes. She applied a proportionality judgment: the privacy implications for people who uploaded their data to a genealogy platform were weighed against the investigative value of identifying someone responsible for thirteen murders and dozens of additional crimes.
She has emphasized that her work produced a lead, not a conclusion. The genealogical research identified a candidate. The candidate required independent DNA corroboration before arrest. The sequence of genealogical lead, corroboration through discarded DNA, and then arrest was, in her view, the correct sequence.