The Secret War Council, Germany’s spy organization in New York, received orders from Berlin to stop the flow of munitions through terrorism in January 1915. G

The German government decided in the fall of 1914 to corner the U.S. arms and ammunition market to the detriment of England and France. In New York German Milit

The second edition of Secret Intelligence: A Reader brings together key essays from the field of intelligence studies, blending classic works on concepts and ap

Felix A. Sommerfeld was a German secret service agent assigned to Mexico. During the Mexican Revolution (1910 to 1920) he became a close confidante of Mexican P