Excellent article worth the time to read. He did give six recommendations for ways to improve police departments. The only one he didn’t give is to disband the police unions.
An excellent follow on story to his was the account named Prince of the City. There is a book and follow on movie.
Interestingly, most remember the French Connection case due to its book and famous movie staring Gene Hackman. What most don’t know is the drugs were stolen, inside job, from the property room of the NYPD.