According to records obtained under a freedom of information request, the San Francisco Police Department used the camera network belonging to downtown Union Square Improvement District to spy on protesters during the end of May and early June 2020. The high-definition cameras, manufactured by Motorola brand Avigilon, can zoom in on a person's face and are linked to a software analysis system. Motorola is expanding its tool lineup to make it easier for police to gain access to private cameras…