An article by Benjamin B. Fischer published in Studies in Intelligence, a CIA publication. Subtitles: The Killing Field; Katyn in America; A Terrible--and Partial--Truth Emerges; New Evidence From an Old Source; The Pendulum Swings Back; New Allegations. Cached
In the Katyn Forest , in 1940 on Stalin's orders, the NKVD shot and buried over 4000 Polish Army officers that had been taken prisoner when the Soviet Union invaded Poland in September 1939 in support of the Nazis. The site tells the story and provides documentation.