50 known cases.

edit: https://www.washingtonpost.com/technology/2026/08/19/we-foun...

> At least 69 police officials have been accused, charged with or convicted of misusing Flock’s system or other license-plate readers for unauthorized purposes, The Post has found, and in at least 15 of these cases, someone outside of the police department — including victims, activists and journalists — first identified the potential misuse.

> Records and interviews show that departments across the country do not regularly audit their officers’ Flock use, a practice recommended by the company, and some law enforcement agencies have no formal training programs or written policies describing how the technology should be used.