A network of AI licence plate readers run by a private company called Flock is rapidly expanding across the US.
There are now about 130,000 across the country, mostly used by law enforcement agencies.
The expansion has led to privacy concerns and protests.
BBC Verify examines Flock’s system and the growing backlash against it – as Jake Horton reports.
Produced by Krystal Campos. Graphics by Leo Scutt-Richter.