Chicago Mayor Brandon Johnson appeared on CNN Tuesday, asserting President Donald Trump is an "unstable human being" who must be "checked" on his use of the military in U.S. cities. "This president is an unstable human being, and it's right for this moment to check him. The FBI confirmed the operation to Fox 32 Chicago, noting that its agents assisted the U.S. Border Patrol in the city’s South Shore neighborhood. JB Pritzker announced that the Department of Homeland Security is "seeking the deployment of 100 military troops to Illinois." The Trump administration has deployed the National Guard to cities such as Los Angeles and Washington, D.C., to address crime and assist with deportations.