You may be right. Did Cursory search. Cant do in depth.
main difference appears to be the President can fire a special counsel, not a special prosecutor.
Here’s what I had found that was half way decent.
http://www.pbs.org/newshour/updates/special-prosecutor-democrats-want-no-longer-exists/
I’m not arguing with you, I just don’t believe these special investigator/counsel,prosecutors are on the up and up —EVER.