News Proud Boys on trial for Jan. 6 riot want to subpoena Donald Trump to testify. Can they? February 17, 2023Ella Lee, USA TODAYComments Off on Proud Boys on trial for Jan. 6 riot want to subpoena Donald Trump to testify. Can they? The Proud Boys charged with sedition in relation to the Jan. 6, 2021 Capitol attack want to subpoena former President Donald Trump as a witness.