The eavesdropping operation at the three sister sites during World War Two (Trent Park, Latimer House and Wilton Park) gradually revealed the full horror of the Holocaust.
Prisoners spoke of mass shootings of 300,000 civilians, the murder of 80,000 Jews in Lublin, and 5,000 killed in a single day in a Ukrainian village, supplying graphic details of Einsatzkommando atrocities. Infamous names such as Auschwitz, Mauthausen and Bergen-Belsen were mentioned, along with mobile gas trucks, the liquidation of the Warsaw Ghetto, and the murder of “mental defectives.”
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