He made many other claims about Trump.[5] Among these claims, Esper asserts that, during a meeting in June 2020, Trump asked whether U.S. troops could shoot Black Lives Matter protesters;[6] that Trump once called Esper, Vice President Mike Pence and General Mark Milley "fucking losers" after Milley told him that he had no command authority over the active duty and National Guard troops Trump wanted to deploy against protesters;[7] and that an officer, whom Esper does not name, explored the possibility of invoking the Twenty-fifth Amendment to the United States Constitution to remove Trump from office after a May 2020 meeting of the Joint Chiefs of Staff.[8]