It's kind of amazing how people wring their hands about Stop and Frisk in NYC (btw: a deliberate and calculated misnomer since the paperwork involved is called "Stop, QUESTION, & Frisk)... and yet know nothing about Terry v. Ohio, a US Supreme Court decision nearly 50 years old.
The reason the NYPD directed that paperwork be prepared for each SQ&F is that NYC is a liberal city, and they wanted to ensure that no abuse of police authority, racial profiling, etc., was going on. The piece of paperwork involved was instituted shortly after Terry v. Ohio. A SQ&F encounter can be a stop, a questioning, or a frisking, or any combination of one or more. Another piece of misinformation is that every encounter involved a frisking. Most police departments do not track stops the way the NYPD does, and certainly none have the degree of oversight the NYPD does.
A brief history: The first search and seizure case did not get to the US Supreme Court until 1913. Prior to that, ANY search and seizure by law enforcement was considered reasonable and Constitutional. And even that 1913 decision only restricted FEDERAL law enforcement, it wasn't until decades later that restrictions were put in place against local law enforcement.
So when alleged conservatives align themselves with these decisions as "originalist".... it's a crock. Such a position would have to assume that the original intent of the 4th Amendment went ignored for over 100 years, until "originalists" like Hugo Black and Thurgood Marshall came along to recognize the original intent of the Constitution.
Idiotic.
As for NYC and the NYPD, they were not doing anything every other police department in the country does. The liberals targeted the NYPD for two reasons:
1. The Police Commissioner at the time was a favored candidate for the mayor's position
2. The paperwork prepared (and not done by most other police departments) made it convenient to distort statistics.  In a neighborhood of 30,000 people, such as Bedford-Stuyvesant, where 98% of the population is minority, they could pull the reports and say "Gasp! 97% of the stops done in this neighborhood were of minorities!"
This is the truth, this is the law, this is what happened. But please, carry on with the liberal and faux conservative idiocy.