After Galleani was deported from the United States to Italy in June 1919, his colleagues are alleged to have carried out the Wall Street bombing of 1920, which resulted in the deaths of 38 people.
Despois de que Galleani fose deportado de volta a Italia en xuño de 1919, os seus compañeiros reivindicaron o Atentado de Wall Street de 1920, que provocou a morte de 38 persoas.