So about Harrison the spy.

Someone in a topic on here quite a while back insisted the confederates liked some spies but it seems Michael Shara who wrote the book this is based on didn't seem to know or care about that. In the book it mentions that Lee and some of the other Southern Generals hated spies and hated the very idea of paying someone for information. Maybe this is something just made up for drama by Michael Shara. But there's also a scene from the book this movie is based on where Major Taylor is talking to one of the other generals about Harrison and says he shouldn't be trusted because he's both a spy and an actor.

That's something that isn't mentioned in the movie. In the book it says General Lee hates plays and novels because they weaken the mind. It also says he hated the idea of paying for information. So that's why he's prejudice against the spy. Because he's an actor. It's also written in the book that quite a few Generals including Heath refused to believe Harrison about Union Calvary in Gettysburg. Hence the scene where Heath expresses to Lee about being surprised there was Calvary and unintentionally fighting without Lee's orders.

I went to Gettysburg back in 2007 and found out from the tour guide I had that there were actually multiple spies in real life who reported to Longstreet. Not just Harrison. Which would make the whole thing of Lee and his generals not believing multiple people about there being Union Infantry and Calvary around Gettysburg even more ridiculous. Since at least in the book and movie it was over a single man claiming the union army is close. But like I said someone claimed the Confederates actually liked spies.

Thing is all the books I ever read just gloss over the whole thing about Longstreet's spies not being believed.