Prognosis
DNA Detectives Are Searching for Killers in Your Family Tree
Genetic data gets caught in the dragnet as police turn to web for clues in old cases.
Consumer genetic-testing services are wrestling with a new threat to users’ privacy: detectives hauling a dragnet through their DNA.
In April, investigators arrested a suspect in the decades-old case of the Golden State Killer after sifting through online genetic data. The arrest has set off one of the most vigorous recent debates about privacy in the digital age.