The president’s comments follow his statements Friday when he raised the idea of using the Guard in Chicago, as he previously did in Los Angeles and currently is doing in Washington, D.C.

The intrigue: Former Mayor Rahm Emanuel argued on CNN Sunday that Trump's deployment threat isn't about crime, but about supporting anti-immigration efforts in sanctuary cities. In Chicago, a city ordinance prohibits local police from supporting federal immigration operations.

Donald Trump and JD Vance criticized JB Pritzker and the city of Chicago during a press briefing today. Here's what they said.