"These owners can choose to share some, all, or none of their footage with police; police do not need a warrant in order to request camera footage from residents....when camera owners are "uncooperative or unavailable," officers are instructed to contact Ring and request that the captured video be preserved." #privacy

https://www.vice.com/en_us/article/bjw9e8/inside-rings-quest-to-become-law-enforcements-best-friend