Immigration Agents Are Using Air Passenger Data for Deportation Effort
nytimes.comHow were we not already doing this?
You overestimate the political will to do anything about illegal immigration before Trump came into office.
If Trump was the key factor, and it was an easy change, you'd have expected this to occur during his first term.
It wouldn't surprise me if this was something long planned and just took forever to actually happen.
Edit: Spelling
and of course the scope will never be expanded...