https://reclaimthenet.org/the-nypd-is-underreporting-its-invasive-surveillance-tactics

"The Surveillance Technology Oversight Project (S.T.O.P) revealed through its Research Manager, Corinne Worthington, and research intern, Aaron Greenberg, that the NYPD has been employing surveillance technologies that track civilians unnoticed. This type of tracking includes the use of drones for aerial surveillance, GPS locators for tagging vehicles, and even robots for tracking movement within the subway system."