Biography
The Florida account specifically says Powell pleaded guilty and had long since completed a federal prison term for the anti-draft conspiracy. His co-defendants’ June1921 acquittals do not establish his own acquittal. Source: https://www.govinfo.gov/content/pkg/SERIALSET-07987_00_00-063-0159-0000/pdf/SERIALSET-07987_00_00-063-0159-0000.pdf#page=23