 Bruce was the last British person to speak to Black; on 13 October 1942 they were taken to the "SS-Reichssicherheitshauptamt" (RHSA) headquarters in Berlin, where they were interrogated one by one by "Obergruppenführer" Heinrich Müller.They remained in Berlin until 22 October, when they were taken to the Sachsenhausen concentration camp.On the next day, 23 October, they were shot in the back of the neck and their bodies cremated.