Thomas Homan once defended Obama-era policies and health care for transgender immigrants. Now he’s eyeing hotlines to report undocumented neighbors and arrests of local officials who get in the way.

Border czar Tom Homan said Tuesday that ICE agents are already being deployed across the U.S. to engage in a mass deportation ...

In 2016, Thomas D. Homan was a frustrated immigration bureaucrat ready to call it quits. A former border patrol agent with a lawman’s steely demeanor, he had been an odd fit for the Obama ...