In the early 70s, and for a brief period, it was a popular trend in US action cinema to bring real-life and middle-class American heroes to the podium. These everyday heroes were usually actual policeman that wrote their life experiences down in a novel or into a screenplay and were then hired as technical consults for the film adaptations. The best-known example is probably Buford Pusser and the "Walking Tall" films, but also a couple of highly acclaimed blockbusters are based on observations of real street cops. There's "The New Centurions" by former LAPD Officer Joseph Wambaugh, and even the legendary Popeye Doyle character from "The French Connection" is inspired by an authentic rogue copper named Eddie Egan.
"Badge 373" can be included in the same list. Robert Duvall's character is based on this same Eddie Egan, the entire film is promoted as "based on the exploits of Eddie Egan", and the man himself appears in a supportive role and worked as technical advisor. And yet, it's plain obvious to see when the films mentioned in the first paragraph are considered great classics, whereas hardly anyone has ever heard of "Badge 373".
Apart from another stellar performance by the always-reliable Duvall, this is a dull and derivative New York action/thriller, badly suffering from all the dreadful clichés in the book (suspended cop, avenging the dead partner, corruption in the department, wife killed, politics involved, etc.) and showcasing a very racist attitude towards the Hispanic - notably Puerto Rican - community living in NY. Allegedly, Robert Duval accepted the role as a statement against racism, but it's very well possible that he played the role to finally get the first top-billing of his career.
"Badge 373" is too long, too predictable, and too full of pointless and overlong sequences, like when Eddie takes his wife to a cabin outside of New York for a retreat. The few action and spectacle sequences, like the bus chase footage, are okay - I guess - but at the other side of the Atlantic Ocean, in Italy, they handled this sort of stunt work a lot better and more exciting.
