He’s probably spying for Putin.

And/or give them cause to not turn over the POW’s since they are already ‘dead’. Hopefully more details will emerge that paint a better picture. No matter the case though, if the POW’s are still alive, then this certainly seals their fate anyway as Russia isn’t going to turn around and hand them over after all this.

I have smart home devices, luke a doorbell, but I limit all traffic on them to be local network traffic only. No random requests or connections to outside servers and if I need to access it away from home I jump on a VPN. Not a solution for everyone, but it gives you a lot more control over your devices.