I have a collection of "The Civil War News" cards put out by Topps in the early 1960's. I have always assumed that they were factual, but perhaps I'm wrong. Here is a link to card #25-Hanging The Spy.

http://www.tkinter.smig.net/Stuff/CivilWarCards/25HangingTheSpy.htm

Can anyone confirm the facts stated on the card?