On June 29, 1865, the eight were found guilty for their involvement in the conspiracy to kill the President. Spangler was sentenced to six years in prison; Arnold, O'Laughlen and Mudd were sentenced to life in prison, and Atzerodt, Herold, Paine and Surratt were sentenced to hang. They were executed July 7, 1865. Surratt was the first woman in American history to be executed. O'Laughlen died in prison in 1867. Arnold, Spangler and Mudd were pardoned by President Andrew Johnson in early 1869.