speeddatasinglefile.txt
animationsetdatasinglefile.txt
animationdatasinglefile.txt
These were in the mesh folder along wiht all the folders.
They were preventing Dragonborn creatures from fighting and moving properly (animation conflict).
I spent 2 hours of my playing time going through all the files in my skyrim folders

I opened ALL the bsa files and all the zips looking for these files with no luck.
I would really like to know where they came from.