The Center for Immigration Studies gained rare access to the Del Rio beachhead Thursday afternoon and toured it by vehicle (see accompanying video at the end of this post), despite a media blackout ordered by federal authorities. At first glance, the constantly expanding throngs of roaming, moving, sitting, sleeping, working, and standing men, women, and children of all ages seemed as chaotic as any newly established developing-world refugee camp.

Privately, CPB employees have expressed outrage and dismay that the Biden administration is allowing unfettered entry like this, which entices ever more immigrants to head for the new Texas beachhead. This kind of sanctioned mass illegal immigration has been taking place most often hundreds of miles downriver since Joe Biden entered office and dismantled Donald Trump’s deterrence-based policies, promised amnesty, and ended most deportation operations.

Several officers also expressed fear that, should these immigrants become impatient with the ...