"The complaint, filed in the US District Court for the Northern District of Illinois, Eastern Division, argued the deployments are politically motivated, claiming Trump has a long history of making "threatening and derogatory" comments about Chicago and the state of Illinois, dating to at least 2013.

Among other examples, it calls out a September 6 social media post by Trump in which he said Chicago would "find out why it's called the Department of WAR," referring to the president's rebranded name for the Pentagon."