https://thenextweb.com/security/2019/08/10/map-reveals-which-cities-use-rings-surveillance-network-to-spy-on-you/

An engineering student in Illinois has put together a handy map to help pinpoint locations where police are tapped into Ring’s surveillance network.

Ring, a company best known for smart doorbells and home security cameras, has a massive network of these cameras installed, some of which are being used for surveillance purposes by police in certain cities.