 There he became the assistant to Jean de Lattre de Tassigny before being parachuted back into France on the night of 2/3 March 1944 with Roméo Sabourin.His orders were to set up and command the BARGEE network, but the landing site was under German control and he was wounded and captured as he landed.Because he was a Jew, he was deported to Gross-Rosen concentration camp in Poland, where he was gassed.