_Specifications._--In this, that they, the said David E. Herold, Edward Spangler, Lewis Payne, Michael O'Laughlin, Samuel Arnold, Mary E. Surratt, George A. Atzerodt, and Samuel A. Mudd, together with the said John H. Surratt and John Wilkes Booth, incited and encouraged thereunto by Jefferson Davis, George N. Sanders, Beverly Tucker, Jacob Thompson, William C. Cleary, Clement C. Clay, George Harper, George Young, and others unknown, citizens of the United States aforesaid, and who were then engaged in armed rebellion against the United States of America, within the limits thereof, did, in aid of said armed rebellion, on or before the 6th day of March, A.D. 1865, and on divers other days and times between that day and the 15th day of April, A.D. 1865, combine, confederate, and conspire together at Washington City, within the military department of Washington, and within the intrenched fortifications and military lines of the said United States, there being unlawfully, maliciously, and traitorously to kill and murder Abraham Lincoln, then President of the United States aforesaid, and Commander-in-Chief of the army and navy thereof; and unlawfully, maliciously, and traitorously to kill and murder Andrew Johnson, now Vice-President of the said United States, upon whom, on the death of the said Abraham Lincoln, after the 4th day of March, A.D. 1865, the office of President of the said United States and Commander-in-Chief of the army and navy thereof would devolve; and to unlawfully, maliciously, and traitorously kill and murder Ulysses S. Grant, then Lieutenant General, and under the direction of Abraham Lincoln, in command of the armies of the United States aforesaid; and unlawfully, maliciously, and traitorously to kill and murder William H. Seward, then Secretary of State of the United States aforesaid, whose duty it was by law, upon the death of the said President and Vice-President of the United States aforesaid, to cause an election to be held for electors of President of the United States; the conspirators aforesaid, designing and intending by the killing and murder of the said Abraham Lincoln, Andrew Johnson, Ulysses S. Grant, and William H. Seward, as aforesaid, to deprive the army and navy of the said United States of a constitutional commander-in-chief; and to deprive the armies of the United States of their lawful commander; and to prevent a lawful election of President and Vice-President of the United States aforesaid; and by the means aforesaid to aid and comfort the insurgents engaged in armed rebellion against the said United States as aforesaid, and thereby to aid in the subversion and overthrow of the Constitution and laws of the said United States.