Group 1 - The U.S. Immigration and Customs Enforcement (ICE) shot and killed a U.S. citizen during an operation in Minneapolis, leading to protests against violent enforcement [1] - The Pentagon has ordered approximately 1,500 active-duty military personnel to prepare for potential deployment to Minnesota to prevent escalation of violence [1][3] - The FBI is requesting volunteers from agents nationwide to temporarily assist in Minneapolis, although the specific tasks have not been disclosed [3] Group 2 - The Trump administration has deployed nearly 3,000 federal law enforcement officers to Minnesota, marking the largest federal immigration enforcement operation to date [3] - The U.S. Department of Justice has initiated a criminal investigation into Minnesota Governor Tim Walz and Minneapolis Mayor Jacob Frey for allegedly obstructing federal immigration enforcement efforts [3]