Stalin's Killing Field One of the earliest--and certainly the most infamous--mass shootings of prisoners of war during World War II did not occur in the heat of battle but was a cold-blooded act of political murder. The victims were Polish officers, soldiers, and civilians captured by the Red Army after it invaded eastern Poland in September 1939. Strictly speaking, even the Polish servicemen were not POWs. The USSR had not declared war, and the Polish commander in chief had ordered his troops not to engage Soviet forces. But there was little the Poles could do. On 28 September, the USSR...