Eileen Fischer was a tiny woman, barely five feet tall, with short brown hair and dark brown glasses. She had a Swiss passport, even though she was born in East Germany, just outside Leipzig. Like so much of the skilled work force, her family had escaped to West Berlin more than ten years before, eventually settling in Zurich. She had returned two years earlier and now attended the Technical University, majoring in world governments while living with an aunt in the French sector of West Berlin.
She took the S-bahn from her aunt’s house to Checkpoint Charlie, exiting the tram at Friedrichstrasse, on the western side of the border. She entered the American guard shack, her Swiss passport attracting little attention, and exited a few minutes later. Then she walked across the border and into
