The theory is quite simple: Corrupt Gangster City.
Outfit related will be tremendously low, I would assume no more than 3 or less every other year. White men ages 30-60 that have been killed recently, location & method.
Organized Crime besides Outfit: You have to truly focus on each case.
If you think you are too small to make a difference, you haven't spend the night with a mosquito. - African Proverb