“Voices of Auschwitz” tells the stories of four survivors from the Nazi German Concentration and extermination camp. The hour-long special is hosted by CNN anchor Wolf Blitzer.

USC Shoah Foundation and USC Annenberg School for Communication and Journalism will present an advance screening on Jan. 15 of “Voices of Auschwitz,” a new CNN documentary telling the stories of four survivors from the Nazi German Concentration and extermination camp. The hour-long special is hosted by CNN anchor Wolf Blitzer, himself the son of Holocaust survivors.

Henry Kress remembers hearing that his sister was imprisoned in the women barracks in Auschwitz II-Birkenau and how he was able to see her despite being in a different sub camp of the Auschwitz camp complex. This is the 58th testimony clip in the series 70 Days of Testimony: Leading up to the 70th Anniversary of the Liberation of Auschwitz.