I believe he said they would all need to leave in order to apply for citizenship. I don't believe he said he was going to round them up & deport them.
Sorry but you're mistaken.
Trump specifically said, repeatedly said there will be a
DEPORTATION FORCE
Meaning a special police force used to remove illegals who didn't leave voluntarily.
Yes, that means round them up. He promised to do it, he needs to do it or this country is OVER.