Illustration of Lewis Powell’s attempt to assassinate Secretary of State William H. Seward on the night of April 14th, 1865.
Image Source: The Assassination and History of the Conspiracy
Fight in the Room – The Assassination and History of the Conspiracy
LincolnConspirators.com 
do you have any record of Arthur Price, Seward’s bodyguard’s involvement. Subsequently, he went on the world tour with Seward. Price is a relative of my g-grandmother, Georgie (Townsend) Gove and is buried in Chamcook, NB