DOJ demands Maine, Massachusetts, Washington and Oregon issue undercover plates to ICE, threatening legal action if states don't comply by Friday.
https://www.foxnews.com/politics/doj-puts-blue-states-notice-ice-fight-barrels-toward-next-constitutional-showdown
https://www.foxnews.com/politics/doj-puts-blue-states-notice-ice-fight-barrels-toward-next-constitutional-showdown