We look at a few of the spies of World War II who helped their countries win - and sometimes LOSE - battles, and ultimately, the war.

Patton’s 3rd Army avoided disaster in 1944 thanks to decoded German intelligence nicknamed “ULTRA.” ...

The Navy suspected sabotage. German U-boats had sunk 120 American merchant ships in the first three months after Pearl Harbor, and fears of Axis agents operating along the waterfront ran high. Naval ...

After becoming allies to disastrous effect in the 1940s, Berlin and Tokyo are finding new reasons to team up — including ...