"So they may or may not have been "officers" in the army, although most US GI's either didn't know the difference or didn't care to distinguish the difference "
After looking at this I can certainly believe you!
http://books.google.com/books?id=SSW...age&q=&f=false
After doing some research on this fine site and other places on the internet it appears that the police unit markings on my father's Luger translate roughly to:
Schutzpolitzei of Hanover 2nd District Item 8
It's amazing what you can learn about these "pieces of history"!