All he would have to do is post from his local Wi-Fi on one account, and his data network on another. Hell, when I am up to no good, I scoot next door to the Ramada Inn and use their network.Not trying to be that guy, and not looking to debate….but wifes phone and my phone (sitting next to each other, same provider) aren’t even in same stratosphere. She shows up in a different state.
Now if the question is, can you geolocate her and find her? You bet.
It's really not that hard.