Trump fires controversial Homeland Security secretary Kristi Noem

President Trump has fired his homeland security secretary, Kristi Noem. In a post on social media, Trump said he was replacing Noem with Senator Markwayne Mullin of Oklahoma. Noem is the first cabinet member to be ousted in Trump’s second term. She was a key figure in carrying out Trump’s mass deportation effort and her tenure was marked by a series of controversies.