Mayor Johnson has received input from the likes of former mayors Lori Lightfoot and Rahm Emanuel, and former U.S. Education Secretary Arne Duncan.

Johnson is appearing before the Committee on Oversight and Government Reform to defend the city’s law that, in part, restricts police from detaining people solely based on their immigration status.

Johnson received only a handful of critical questions during the hearing's first two hours on Wednesday, with Denver Mayor Mike Johnston and Boston Mayor Michelle Wu taking the brunt of GOP grilling.