The immigration blitz was action long promised by President Donald Trump who made mass deportation central to his campaign. Trump’s border czar Tom Homan designated Chicago — the nation’s third-largest city — as ground zero for his plans to round up immigrants in the country illegally and other groups at an unprecedented scale.

Partway through answering questions Sunday during an immigration enforcement blitz in Chicago, a man who appeared to be in federal custody briefly stopped talking when he recognized the man with the Texas accent asking the questions.