New York Police Department

It's been used too often as a reason to approach and penalize people engaged in non-violent misdemeanors.

Stop-and-frisk may have gained notoriety in New York City, but a new analysis finds Chicago police stops people more often than their New York counterparts do, and is less transparent about it.

Mathematicians propose using the “Lévy flight” model to reveal and police hotspots of crime.

If the NYPD is going to have a stop-and-frisk policy at all, shouldn't it be the most efficient stop-and-frisk policy possible?