Actually this is what Eisenhower had troops do in the 1950s and voila, more than 3 million illegals high-tailed it back across the border.
Those who say it is impossible to deport 12 million or 20 million illegals are full of it. Spread fear with a few small examples and there will be caravans full of illegals racing for the border.
Man as a WASP, I wish we had 50 Cal.’s to keep out the Irish, Chinks, Waps and American Indians when this country was first starting.
The big difference was Operation Wetback had the cooperation of the Mexican government. And now that Mexico enters demographic transition that may happen again.