For this he was cast into prison, indicted at sessions, bullied and fined.
On the 24th of November he was indicted for high treason at the Old Bailey, the chief ground being a paper of association for the defence of the Protestant religion, which, though among his papers, was not in his handwriting; but the grand jury ignored the bill.
He was sent to the Marshalsea, and a few years later was indicted on a charge of praemunire on refusing the oath when tendered him by his diocesan, Bishop Home of Winchester.
Parker assisted actively in the escape of fugitive slaves, and for trying to prevent the rendition of perhaps the most famous of them, Anthony Burns, was indicted, but the indictment was quashed.
He was indicted for treason by a Virginia grand jury, persistent efforts were made to connect him with the assassination of President Lincoln, he was unjustly charged with having deliberately and wilfully caused the sufferings and deaths of Union prisoners at Andersonville and for two years he was denied trial or bail.
