A clandestine Army operative concealed his mental health problems until it was too late. Is the...

Michael Froede suspected he was being followed. For weeks after he returned from a highly classified mission in Vietnam, he would see people watching him in Washington, D.C. They’d be parked outside his house or tailing him while driving. Sometimes while on the road, Froede would pull a U-turn and swing back around on the suspected surveillance team to take their pictures, to let them know that he knew they were there.

At 9:30 a.m. on June 23, 2019, Froede drove his Dodge Ram to the third floor of the Carroll Creek parking garage in Frederick, Md. After backing into a parking space, he sat back in his seat, lit up a Camel cigarette and flicked the ash out the window.