SPOILERS AHOY!!!!!!!!!!!!!!!!!!!!!!!!
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I'm not sure there is much going on under the surface (again, another reason why I didn't really like it) I'm not looking for a profound statement, but perhaps a bit more general story development.
It seems to play out like who can hit the other one hardest. First they kill a prostitute, then they attack the prostitutes en-masse, then they pretend to arrest them, etc... And after each attack Antonio Sabato's just relaxing in a restaurant eating a meal. He seems 'slightly worried' he's being fucked over, rather than out for bloodthirsty revenge, imho.
It's nice to see the old myth that the Mafia never wanted to sell drugs - this is in fact, for the most part, completely untrue. They've been peddling drugs since the turn of the last century.
Not terrible, but I think Lenzi's later Eurocrime flicks were solid gold compared to this one.