detective movie set in ancient rome...?

I remember seeing this on TV a while back.  I don't even remember the story or if the movie sucked or not, but I do remember it was a detective "noir"-style movie, set in biblical Rome.

What movie was this?

maybe name of the rose?
http://en.wikipedia.org/wiki/The_Name_of_the_Rose_%28film%29

but thats more like middle ages