Trump administration border czar Tom Homan is calling on the Department of Justice to launch an investigation into CNN for its recent coverage of “ICEBlock,” a mobile app designed to alert users about nearby Immigration and Customs Enforcement activity in real time.

Tom Homan, President Trump’s border Czar, criticized CNN over its reporting on a new app which allows users to track and try to avoid immigrations officials at a time of heightened Immigration and Customs Enforcement (ICE) raids across the country.