Amazon filed a patent recently that suggests its Ring doorbell cameras may soon be able to identify “suspicious” people by scanning their skin texture, walking style, and voice. This represents the latest in Amazon’s growing push into biometric data collection. The Ring patent, filed and awarded in the United States, is named “Neighborhood Alert Mode,” and essentially works as a digital neighborhood watch device. The patent would allow Ring doorbells to share a picture or video of a person it decides is suspicious to other Righ users in the area. Their doorbells will then begin recording the “suspicious” person even...