How exiles from the Nazis helped British intelligence listen in on German prisoners-of-war.
Ninety-three-year-old Fritz Lustig, a refugee from Nazi Germany, is one of the last surviving members of the secret "M Room".
He helped glean vital information from German POWs about Hitler's war machine.
Photo: Sgt Fritz Lustig, circa 1942 (courtesy of Lustig family)
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