In addition to not being willing to name names (cowardice), Barbarian has brought into an argument from statistics that is almost certainly useless.
Did he bother to read his link?
They approximate the undocumented population using a residual technique (basically counting deaths and estimating from that the actual number of people in an area compared with the documented number).
This obviously has very little to do with people illegally entering the US via its southern border.
You've surprised me, Stripe. You're actually trying to form a cogent argument. And your conclusion is correct. The study is not about people coming into the United States. It's about the behavior of illegal aliens in the United States. Your conclusion is correct. It's your premise that's faulty.
But it's an encouraging thing to see you doing this.