Conservative groups influential with the Trump administration have pressed for the preemptive acts of clemency.
There’s a world of difference between a pardon issues to prevent malicious prosecution for non-crimew and one issued to people you’ve been instructing to commit crimes
I believe immigration violations aren’t criminal charges, they’re civil charges. That’s why you don’t get a lawyer and proceedings are in immigration courts.
A president can grant amnesty instead, which doesn’t have anything to do with admissions of guilt that I’m aware of.