This History of the NYPD is brought to you by PROP which is an anti-policing organization. Keep that viewpoint in mind if you read what that are presenting.

As its title reflects, The Notorious and True History of NY’s Finest focuses on presenting the NYPD’s all too often notorious practices over the course of two centuries dating back to its founding in 1845 and the actions of its historical precursors. These harmful policies most frequently took the form of targeting and victimizing low-income NYers of color. Here’s a list of some disturbing incidents
— Read on nypdhistoryreport.com/

The link above is broken.  I think the report was removed.  Here is a copy of the report from the Archive.org Website.