For the most part German Spies were very ineffectual. Most German Spies, who tried to infiltrate Britain, were caught immediately and turned(They stood out because all the communities were close knit and any stranger was immediately reported). German Spies did operate brazenly in Mexico, as in ww1, but little has been published on this matter. The Germans were trying to pump money into Mexico, because they hoped the Mexican Govt. would invade the U.S. On the Russian Front, Terrible without a doubt. The Russians always seemed to be a step ahead of the Axis before they could mount any major offensive.