She gathered intelligence on the deportations of the Jews, and living conditions in concentration camps, as well as on SS firing squads, writing several reports on these topics from 1942.
Dia mengumpulkan intelijen di deportations dari orang-orang Yahudi, dan kondisi hidup di kamp-kamp konsentrasi, serta di SS menembak squads, menulis beberapa laporan tersebut topik dari 1942.