I was familiar with that and 'Rio Bravo.' 'Rio Bravo' was what John Carpenter did, that brilliant move of taking a western and turning it into an urban flick. And from there you got, you know, all the cop genre movies of the time.
You cannot raise the standard against oppression, or leap into the breach to relieve injustice, and still keep an open mind to every disconcerting fact, or an open ear to the cold voice of doubt.
One of the secrets of life is that all that is really worth the doing is what we do for others.