They are coming in large measure, expecting to enter and stay, ever siince REAGAN's foolhardy Amnesty in 1986, followed by talk led by GW Bush and John McCain, of subsequent amnesties.
Note how often stories of criminals, mention repeat entries, after deportations.
The scenarioistry, and try again.
I have inlaws that kept a weekend retreat in Rosarito Beach, for themsselves, children and grandchildren.
After a few good years, they abandoned it to vandalism. That was in a mainly Americano colony.