The US Is Storing Migrant Children’s DNA in a Criminal Database

THE UNITED STATES government has collected DNA samples from upwards of 133,000 migrant children and teenagers—including at least one 4-year-old—and uploaded their genetic data into a national criminal database used by local, state, and federal law enforcement, according to documents reviewed by WIRED.

The records, quietly released by the US Customs and Border Protection earlier this year, offer the most detailed look to date at the scale of CBP’s controversial DNA collection program. They reveal for the first time just how deeply the government’s biometric surveillance reaches into the lives of migrant children, some of whom may still be learning to read or tie their shoes—yet whose DNA is now stored in a system originally built for convicted sex offenders and violent criminals.

The Department of Justice has argued that extensive DNA collection activity at the border provides “an assessment of the danger” a migrant potentially “poses to the public” and will essentially help solve crimes that may be committed in the future. Experts say that the children’s raw genetic material will be stored indefinitely and worry that, without proper...