Behind the Lines

Prepared for any situation from averting interrogation through suicide to derailing a train with nothing but an overcoat—and supplied with such useful items as expertly forged documents, exploding rats, and invisible ink—the men and women of the O.S.S. and the S.O.E. were sent behind enemy lines to cause mayhem, often alone, with an average life expectancy of six weeks. These are their stories in their own words.