Flock is just one of many suppliers in the global gunshot detection market, which has an estimated total value of $1.5 billion. But the company’s marketing material raises concerns about the technology’s capabilities, which go beyond simply detecting gunfire. In Flock’s own words, a confirmed gunshot “can surface the vehicles seen entering or leaving the area around the time of the sound, using nearby Flock license plate reader cameras.” That statement deserves scrutiny, since it describes a mechanism for turning suspected gunfire into a list of nearby vehicles.