What is known about Ed Martin's appointment and his connections to Trump?

Ed Martin, recently nominated as U.S. attorney for Washington D.C., is described as a longtime Trump supporter and sycophant who has defended many January 6th defendants. His appointment comes amid significant turmoil at the Department of Justice, which has seen seven resignations in the past week, including that of Denise Chung, head of the DOJ's criminal division. While Chung provided no specific reason for her resignation, it notably followed Martin's appointment and occurred during a period of general chaos across the Justice Department.