Rubuta ci gaba don wannan sakin layi - 'Yan sandan Switzerland sun yi masa tambayoyi a watan Mayu na 1943, Eiss ya yarda da cewa ya yi aiki tare da' yan diflomasiyyar Poland don samun fasfo na karya ba bisa ka'ida ba daga gurbataccen mashahurin mashahurin Paraguay Rudolf Hugli. <unk> "Kullum ina tuntuɓar Dan Kasar Poland, Rokicki, wanda daga baya, ya tuntuɓi Dan Kasar Paraguay, Hügli a Bern, wanda ya ba da takardun. Don haka, Rokicki dole ne ya biya Mista Hügli wasu kuɗi. Ana aika takardun shaida zuwa Poland
a cikin asali, yayin da fasfo din za a yi hoton hotuna kuma kwafin za a tabbatar da shi" <unk>,. Bayan haka Eiss zai sami kwafin fasfo din, mai yiwuwa ta hanyar jami'in diflomasiyyar Poland-Yahudawa Juliusz Kühl, hannun dama na jakadan Poland Aleksander Ładoś kuma ya shigar da su cikin yankin mamayar Jamus. Wasikun sun ƙunshi takaddun shaida da ke nuna cewa an ba mutumin da ake magana da shi ɗan ƙasar Paraguay. A lokuta da yawa, Eiss ya ba da sunayen abokansa a matsayin masu aikawa don tabbatar da cewa ba a bayyana sunansa ga hukumomin bincike ba. <unk>Dukkanin wadanda aka aikawa sune Yahudawa masu addini da ke zaune a Warsaw da Będzin<unk>, in ji shi.