how to tell if there are other devices on my network thur Wi-Fi

lots of gadget's lots. i saw a saw on his phone having ruff sex with a man with other people in our house also, watching. it was sent to his phone. He was in jail for assaulting me. It was not meant for me to view he says its not him the video has vanished vanished while he was still in jail.

If you have concerns about your safety, please contact the police. I doubt knowing what devices are on your wi-fi network will let you figure out this issue with the missing video. Thread closed.