Complex sentence: On April 29, Georgia senator Thomas W. Hardwick, who had co-sponsored the Anarchist Exclusion Act, received a similarly disguised bomb, which blew off the hands of a housekeeper when she attempted to open the package.
Split into simpler sentences: On April 29, Georgia senator Thomas W. Hardwick, who had co-sponsored the Anarchist Exclusion Act, received a similarly disguised bomb. It blew off the hands of his housekeeper when she attempted to open the package.