Did Surratt and Slater know about Harney's Mission?

[Gene C]

I agree with Roger, I think the Harney mission was a closely held Richmond plot, no need to let a low level courier, like Surratt, in on the secret.

As for the plot on Lincoln, I think the Confederate Government gave up on the kidnapping concept after Lincoln was re-elected.
As for Mosby's men, were they in place for Harney's benefit, Booth's or both? I doubt they knew the purpose of Harney or Booth, just that they were needed to help in getting someone further south.

But, you have looked into this more than I have. I am interested in your findings and ideas.

Where was Mosby on the day of, and following the assassination?