Furthermore, an FBI-document from 1947 recommends that "one Jack Rubenstein of Chicago" should not be called to testify for the Committee on Un-American Activities, for he is working for Congressman: Richard M. Nixon."
An FBI memo wathumela ngo-1947 evela redacted FBI kwabasebenzi umsizi watusa ukuba Jack Ruby hhayi ifakazela for kuzwa weKomidi House on Un-American Imisebenzi ngoba 'owenza ukwaziswa imisebenzi ukuze udondolo Richard Nixon. "