It is very difficult to spot a green card holder at the polls. Many of them get registered as part of the motor voter process.
Again, we are talking about LEGAL IMMIGRANTS, not illegals.
There’s probably some of both voting.
Legal residents illegally voting.
Illegal residents illegally voting.
And the illegal vote by the legal resident should invalidate their legal status.
They’re living here as our guests - breaking the law to influence our election.