faceback stalking
Checking old Facebook stuff to catch someone in a lie or to feel superior because you know more than them
I checked his timeline and saw he was still married, so I called him out on his fake single life
She said she didn't have a kid, but faceback stalking showed she posted about her kid in 2017
He said he never went to high school, but faceback stalking proved he was in the yearbook in 2003