Republican Senator Thom Tillis of North Carolina responded to President Donald Trump calling him a "loser" on Wednesday by taking a swipe at Homeland Security Secretary Kristi Noem and Deputy Chief of Staff for Policy Stephen Miller. What To KnowNoem has faced rampant calls for her resignation after 37-year-old Alex Pretti was fatally shot by federal immigration agents on Saturday, marking the second death this month involving immigration enforcement. Tillis also said Noem and Miller are exhibiting "incompetence" amid the Minneapolis strife involving federal immigration agents. Republican Senator Susan Collins of Maine, on X Tuesday: "I have spoken with the White House and with DHS Secretary Noem about the ICE operations. I asked Secretary Noem to pause the operations in both Maine and Minnesota.