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 ...

For years, Customs and Border Protection agents have been quietly harvesting DNA from American citizens, including minors, and funneling the samples into an FBI crime database, government data shows.

All four plaintiffs were arrested while protesting; two were charged but their cases were dismissed. They allege the cheek swabs used to collect their DNA violated their Fourth Amendment rights and ...