The idea that the "murderers of Wallenberg" were Budapest Zionists was primarily supported by Hungarian Communist leader Ernő Gerő, which is shown by a note sent by him to First Secretary Mátyás Rákosi.
Ideen om, at "Wallenbergs mordere" var ungarske zionister, blev støttet af den ungarske kommunistleder Ernő Gerő, hvilket fremgår af en note, han sendte til førstesekretær Mátyás Rákosi.