The Supreme Court revives a controversial data system for citizenship checks

The Supreme Court is allowing use of a data system that Trump officials overhauled. The system has erroneously flagged U.S. citizens and a lower court found it violated federal privacy protections.

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/4922x3281+0+0/resize/4922x3281!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F15%2F0e%2F79f80ac8489f9afb592253709d92%2Fap26182680341445.jpg' alt='Homeland Security Secretary Markwayne Mullin speaks during a news conference July 1 in New York.'/><p>The Supreme Court is allowing use of a data system that Trump officials overhauled. The system has erroneously flagged U.S. citizens and a lower court found it violated federal privacy protections.</p><p>(Image credit: David Delgado)</p><img src='https://media.npr.org/include/images/tracking/npr-rss-pixel.png?story=nx-s1-5976804' />