Kristi Noem was fired by Donald Trump as Homeland Security secretary the same week she faced bipartisan grilling over two days of tense congressional hearings, and Democratic members of Congress are using the momentum to push for a criminal investigation into her 13-month stint at the agency.
Democrats are also still considering whether to impeach the outgoing secretary, whose last day on the job is March 31, in an effort to prevent her from ever holding public office again.
