John KoehlerJohn Koehler is the author of Stasi: The Untold Story of the East German Secret Police. He has worked as a journalist for nearly forty years with the Associated Press and is a former U.S. Army Intelligence Officer, specializing in countr-espionage and intelligence collection. An adviser to President Reagan from 1985-1989, John is retired and lives in Stamford, Connecticut. Read More Read Less