What has fuelled the backlash against Flock cameras in U.S.?

What happened: public backlash against Flock ALPR surveillance in the United States

Backlash in the United States against Flock, a company that sells and operates surveillance cameras and automated licence reader (ALPR) technology, has intensified after allegations that law-enforcement officers misused Flock-collected data. The allegations include stalking of a person using licence plate reads. Protest activity and online content have also spread around Flock deployment, including instructions for disabling cameras without detection.

How Flock’s system works (networked surveillance beyond individual cameras)

Flock’s ALPR system is described as operating through a network, not only as one-off cameras. Flock enables clients to join a network in which optional law-enforcement access allows data collection across larger areas using multiple devices.