Flock Safety built its business on a simple promise: more cameras, more data and faster answers for police. Its rapid rise has instead produced a harder question for cities and residents—who controls the system once it is everywhere?

The company began in Atlanta in 2017 after founder and CEO Garrett Langley, responding to break-ins in his neighborhood, developed a license-plate camera with former colleagues. From homeowner associations, Flock expanded into police contracts, then into video systems, gunshot detection, drones and AI search tools. It now operates in more than 5,000 communities across 49 states and says it has raised $500 million at an $8.3 billion valuation.¹

That scale has sharpened the resistance. Privacy advocates and civil-liberties groups say officers have allegedly used the systems to stalk people, while departments can share information across jurisdictions—including with ICE, potentially beyond state-law limits or the terms under which the cameras were installed. Opposition has moved from meeting rooms to the street: cameras have been painted, rammed, smeared and cut down in at least 36 states.¹

The central dispute is ownership. Flock says customers—police departments, homeowners associations and private clients—hold the data. Critics point to contract language that can allow Flock to retain material for its own purposes, including machine-learning training. Los Angeles police began renegotiating its agreement after an inspector general’s audit cited provisions allowing Flock to use some material “for any purpose in Flock’s sole discretion” and anonymized footage for “training of machine learning algorithms.”¹

The backlash has already had commercial consequences. Boston, Flagstaff and Santa Clara dropped Flock in March; Ring later ended its integration. In July, LAPD said it was revisiting its deal. Flock has responded with new guardrails, including a recommended seven-day retention period, down from a 30-day default—though local contracts can still set far longer periods.

Langley argues the company remains indispensable, saying it is “growing our customer base at ten times the rate of customer churn,” while pointing to crimes solved and missing people found.¹ The conflict is no longer over whether the technology works. It is over whether public safety can be built on a surveillance network whose boundaries remain negotiable.