Mullin said DHS will comb through voter rolls in search of noncitizens.
A federal judge has blocked an attempt by the Trump administration to subpoena Minnesota Gov. Tim Walz and other state officials, calling it an effort to "harass and retaliate against them."
President Donald Trump signed a bill into law on Wednesday that gives his immigration and deportation agenda nearly $70 billion for the rest of his term.
One year after federal immigration raids began targeting local car washes and the people they employed, families say they are still picking up the pieces.
The head of DHS is threatening to pull federal customs officers from airports in sanctuary cities - a move that could halt international travel through LAX.
The secretary of the Department of Homeland Security said Thursday that Immigration and Customs Enforcement officers will be "out there every day" during the FIFA World Cup 2026.