The latest examples of creeping federal law enforcement and military presence in U.S. cities occurred as Memphis prepares for the arrival of additional federal authorities, including immigration and drug enforcement agents, that Republican Tennessee Gov. Here’s a rundown of potential and current federal law enforcement activity in Chicago, Portland and Memphis. ChicagoOn Sunday, federal agents marched along Michigan Avenue, the Chicago River and upscale neighborhoods, attracting attention from shoppers and families dining at sidewalk cafes. “Sending in 200 National Guard troops to guard a single building is not normal. Speakers at a news conference said that, instead of federal troops and agents, Memphis needs more funding for education, crime prevention, youth services and hospitals.