When agents arrive in Chicago and other cities, elaborate operations spring into action in an effort to thwart authorities.

“Sanctuary cities are making it very difficult to arrest the criminals. For instance, in Chicago, very well educated,” said Trump’s border czar, Tom Homan, in an interview on CNN. “They call it ‘Know your rights.’ I call it ‘How to escape arrest.’ If we’ve got to play that cat-and-mouse game, that’s what we’re going to do until every one of them is gone.”

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