It then alleged the killing of Abraham Lincoln by Booth in the prosecution of the conspiracy, and charged the murder to be the act of the prisoners, as well as of Booth and John H. Surratt. It then alleged that Spangler, in furtherance of the conspiracy, aided Booth in obtaining entrance to the box of the theatre, in barring the door of the theatre box, and in effecting his escape. Then, that Herold, in furtherance of the conspiracy, aided and abetted Booth in the murder, and in effecting his escape. Then, that Payne, in like furtherance, made the murderous assault on Seward and also on his two sons and two attendants. Then, that Atzerodt, in like furtherance, at the same hour of the night, lay in wait for Andrew Johnson with intent to kill him. Then, that Michael O'Laughlin, in like furtherance, on the nights of the 13th and 14th of April, lay in wait for General Grant with like intent. Then, that Samuel Arnold, in prosecution of the conspiracy, "did, on or before the 6th day of March, 1865, and on divers other days and times between that day and the 15th day of April, 1865, combine, conspire with and counsel, abet, comfort and support" Booth, Payne, Atzerodt, O'Laughlin and their confederates. Then, "that, in prosecution of the conspiracy, Mary E. Surratt, on or before the 6th of March, 1865, and on divers other days and times between that day and the 20th of April, 1865, received, entertained, harbored and concealed, aided and assisted" Booth, Herold, Payne, John H. Surratt, O'Laughlin, Atzerodt, Arnold and their confederates, "with the knowledge of the murderous and traitorous conspiracy aforesaid, and with intent to aid, abet and assist them in the execution thereof, and in escaping from justice." And, lastly, that in prosecution of the conspiracy Samuel A. Mudd did from on or before the 6th day of March, to the 20th of April "advise, encourage, receive, entertain, harbor and conceal, aid and assist" Booth, Herold, Payne, John H. Surratt, O'Laughlin, Atzerodt, Mary E. Surratt, Arnold and their confederates, in its execution and their escape. After the prisoners, who as yet had no counsel, had pleaded not guilty to the Charge and Specification, the Court adopted rules of proceeding--one of which was that the sessions of the Court should be secret, and no one but the sworn officers and the counsel for the prisoners, also sworn to secrecy, should be admitted, except by permit of the President of the Commission; and that only such portions of the testimony as the Judge-Advocate should designate should be made public.