Suspect who allegedly fired at Secret Service agents near White House identified — and charging docs include possible motive

The man arrested for a shooting Monday at the National Mall that led to a White House lockdown has been identified in a federal criminal filing.Michael Marx, 45, was spotted at about 3:30 p.m. by a plainclothes officer who believed he was carrying a gun. When he was approached by uniformed officers, he fled and allegedly fired a gun at them. Marx allegedly said, 'F**k the White House,' as well as, 'Kill me, kill me, kill me.'The suspect was shot, captured, and arrested, but a juvenile bystander...