Given name: Unknown Family name: Tyszler

Collaborated with the Germans, on 5 June 1943 was in the German barrack at Zelazna Street No. 101. On 3 July during the liquidation of the hideout of Najberg's group located at Nalewki Street No. 27 the German took a snitch with them. They addressed him by his name - Tyszler. Ca. 11-12 August Najberg's friends came up against him in a shelter where doctors used to hide. Tyszler said that he and a few other snitches managed to look into a German records and now they were expecting to be shot. In the records the Germans noted down each shelter they managed to discover.