Presidential security

[RJNorton]

Although John Chandler Griffin's Abraham Lincoln's Execution is not a book I personally would recommend to anyone, what the author says about the charges against Parker caught my eye.

Griffin writes, "Edwin Stanton, again for understandable reasons, ordered that all charges against Parker be dropped, and so a hearing into the matter was never conducted."

Griffin obviously feels Stanton had ulterior motives ("understandable reasons" in Griffin's eyes) to quiet any investigation into Parker's actions. I am curious - has anyone else ever read in another book that Stanton himself ordered the charges against Parker be dropped?

I am not a "Stanton conspiracy follower," but I do find it curious if Griffin is right and that Stanton was the real force behind dropping the charges against Parker.