Biography
Pages 1-2 name Leo Loskowitz, David Newburg (also printed Newberg), and Michael Klueger as arrested around or shortly after William Shifrin's 1928 arrest and charged with felonious assault in the butchers' union conflict. The paper alleges prosecution witnesses were attackers discharged to testify against the workers. Their April 15 trial was prospective; no outcome or continuous custody interval is established. Source: https://www.marxists.org/history/usa/pubs/dailyworker/1930/v06-n334-NY-apr-02-1930-DW-LOC.pdf
Contemporary original newspaper source; individual page evidence retained in review audit 598. Exact individual custody dates and duration are not inferred from relative dates or collective claims.
