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"Two federal appeals courts will soon weigh whether state election officials must turn their unredacted voter rolls over to the Justice Department—an argument President Donald Trump’s administration has yet to win in court. . . . “I do find that fascinating how all the district courts are reaching the same kind of bottom line that the Justice Department loses, but they’re getting there with different reasoning,” said Derek Clinger, senior counsel and director of partnerships with the University of Wisconsin law school’s State Democracy Research Initiative."

For decades, Immigration and Customs Enforcement (ICE) limited enforcement operations at so-called “sensitive locations” like courthouses, schools, or hospitals. But during both Trump Administrations, officials rescinded those guidelines. This report discusses states and localities’ ability to adopt their own state-law policies to protect “sensitive locations” from the disruption of warrantless immigration arrests.

"Iowa has shared voter registration data — including sensitive personal information — with the U.S. Department of Justice (DOJ), Secretary of State Paul Pate announced Tuesday. . . . Federal judges in six states have dismissed the lawsuits, according to the University of Wisconsin’s State Democracy Research Initiative, and Oklahoma reached a settlement with the DOJ and agreed to provide its voter data."

"Not every state agrees that the government is entitled to the requested data. The federal government has filed lawsuits against 30 states and the District of Columbia for withholding their voter information. . . . Federal courts so far have dismissed lawsuits against California, Oregon, Michigan, Massachusetts, Rhode Island and Arizona, according to the University of Wisconsin's State Democracy Research Initiative."

"Bridget Lavender, a lawyer who has researched mask bans for the University of Wisconsin Law School’s State Democracy Research Initiative, said that most case law tied to the supremacy doctrine was old and largely dated."

"'It has arguably never been harder in American history than it is today, in 2026, to sue a federal official for money damages if they violate your constitutional rights,' Harrison Stark of University of Wisconsin Law School said."

"Politicians at all levels of government have called for reforms to deescalate tensions arising from federal immigration enforcement in their states. One common proposal is banning law enforcement officers — including Immigration and Customs Enforcement (ICE) and Customs and Border Protection officers — from wearing masks."

"Hennepin County Attorney Mary Moriarty on Thursday filed criminal charges against an Immigration and Customs Enforcement officer for allegedly brandishing his service weapon at two people during Operation Metro Surge in what she said was a first-of-its-kind case in the country."

"On Thursday, Minnesota state prosecutors announced a historic set of charges against a federal immigration agent. Gregory Donnell Morgan Jr. has been charged with two felony counts of second-degree assault for pointing his gun at two Minnesota residents as they sat in their car back in February, right in the midst of the Trump administration’s brutal immigration crackdown in Minneapolis, dubbed Operation Metro Surge. Hennepin County Attorney Mary Moriarty said she believes that this might be the first charge of its kind nationwide."

State and local governments are increasingly using property law to push back on ICE operations. This report unpacks the viability of these efforts, from banning new detention centers to barring officers from staging operations on city property.