Consumers are already questioning whether FaceID could be spoofed. And it's also possible police would be able to more easily unlock phones without consent by simply holding an individual’s phone up to his or her face. But FaceID should create fear about another form of government surveillance: mass scans to identify individuals based on face profiles. Law enforcement is rapidly increasing use of facial recognition; one in two American adults are already enrolled in a law enforcement facial recognition network, and at least one in four police departments have the capacity to run face recognition searches. Still, until now, co-opting...