(Wired) – Customs and Border Protection has swabbed the DNA of migrant children as young as 4, whose genetic data is uploaded to an FBI-run database that can track them if they commit crimes in the future.

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. (Read More)