What factors does Zimring cite for the crime decline in New York City? Specific

What factors does Zimring cite for the crime decline in New York City? Specifically, which policing tactics does he believe worked and which criminal justice policies do not work?
How much did the crime rate decrease in New York City?
What does Zimring think about mass incarceration (increased incapacitation) and the war on drugs and their effect in reducing crime?
What does Zimring think about the role of police in reducing crime and how does this break with a generation of conventional wisdom in American criminal justice policy?
What factors does Zimring cite for the crime decline in New York City? Specifically, which policing tactics does he believe worked and which criminal justice policies do not work?
Finally, A recent article by the New York Times mentions a return to the controversial “Anti-Crime” units of the NYPD that were disbanded in 2020 in the aftermath of the George Floyd protests. Do you think that the return of these units is necessary or unneccessary to address crime in New York? Also, what would Zimring say about the return of these units based on the arguments he lays out in his article.
SOURCE:
NYPD Anti-Crime Units Returning to Illegal Tactics, Monitor Says – The New York Times (nytimes.com)