Although government officials in Illinois have expressed opposition to the federal government's plan to send troops to Chicago this week, Professor Jason Mazzone, a constitutional law expert, says the Trump administration ultimately has the authority to send them in anyway.

“Federal agents do not need the permission of states or cities to enforce federal law locally, and states and cities cannot obstruct federal officers when they are enforcing federal law,” Mazzne said in an email to the Herald & Review. “That said, federal agents do not have a general policing authority.”

He went on to discuss the legal justifications for federal agents to act in cities, and also clarified that usually, the actions are taken with the support of the local and state government.

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