Chicago will be next': Trump teases troop expansion in Democrat-led cities
President Trump ordered armed National Guard in Washington, DC, threatens to federalize local authority and plans to expand deployments to Democrat-led cities such as Chicago.
President Donald Trump needs Congress to keep control of DC police, experts say - Poynter
The Home Rule Act, signed in 1973 by President Richard Nixon, lets the president command the district's police department for up to 30 days in an emergency. After that, Congress must pass a joint resolution to extend federalization of local police.