US media on December 4th predominantly focused on the arrest of a suspect in connection with the Jan. 6 pipe bombs. Early reports noted a House Democrat introduced impeachment articles against Defense Secretary Pete Hegseth concerning his Signal app use and controversial boat strikes. By early afternoon, the FBI announced an arrest in the Jan. 6 pipe bomb case, with later reports identifying the suspect as Brian Cole Jr. and federal agencies swarming his home. Concurrently, congressional scrutiny of the boat strikes intensified as Admiral Bradley briefed lawmakers, defending the operation and claiming survivors were legitimate targets. Lawmakers expressed division after viewing video evidence, with some describing it as "troubling." Additionally, the Supreme Court upheld Texas' GOP-friendly congressional map.