"The announcement of such a probe, as the FBI’s sprawling national investigation into the attack is barely a week old, underscores the degree of concern in government circles that vital intelligence may have been missed or mishandled. n a letter to Pentagon leaders, a senior official from the Defense Department inspector general’s office said its review will begin this month and will examine “requests for DOD support leading up to the planned protest and its aftermath at the U.S. Capitol complex, the DOD’s response, and whether the DOD’s actions were lawful and supported by requirements according to regulations and applicable guidance.”