Last week Border Patrol agents apprehended four illegal aliens at a first-aid station in the Arizona desert — and radical left-wing activists are not at all happy.

“U.S. Border Patrol agents using surveillance technology Tuesday detected four suspected illegal aliens wearing camouflage and walking north on a known smuggling route,” read a CPB press statement released on Friday.

“Other agents then tracked the group into the No Más Muertes [No More Deaths] Camp near Arivaca, but could not find any indication that the individuals passed through or left the camp,” the release continued. “Initial efforts to resolve the situation were unsuccessful, leaving no other recourse but to request a federal warrant to enter the camp and search for the suspected illegal aliens.”

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The situation seems pretty straightforward — the suspected illegal aliens were tracked to a camp and refused to surrender themselves to CBP agents, who were left with no recourse other than obtaining a warrant to raid the camp, which is precisely what they did.

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But the organizers behind the No Más Muertes Camp are livid, accusing Border Patrol agents of rights violations and of orchestrating a “targeted attack” on a humanitarian aid center.

Reported The Intercept on Friday: “Catherine Gaffney, a longtime volunteer with the organization … said what transpired this week suggests a chilling shift in Border Patrol tactics under the Trump administration.”

The only real shift, however, seems to be that after decades of indifference under the Bush and Obama administrations, the Border Patrol is back to work, doing the job for which it was created.

“While we don’t comment on specific cases because all of the facts are not on the table, it’s the sworn duty of the U.S. Border Patrol and other immigration officials to ensure that illegal immigrants, once detected, are apprehended and removed from the country,” said Dave Ray, director of communication for the Federation for American Immigration Reform.

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“While nobody, regardless of their legal status, should be denied emergency medical attention, facilities doing so cannot be used as sanctuaries from U.S. immigration laws,” Ray told LifeZette.

“The best way to ensure that nobody is harmed, or dies, while coming to the U.S. is to regain full control of the border and ensure that all immigration is legal immigration.”

But using humanitarian aid as a cover for providing sanctuary from U.S. immigration laws seems to be exactly what the No Más Muertes organization wishes to do. “They have sensors on known routes,” Margo Cowan, an attorney for No Más Muertes, told The Intercept.

“When somebody gets on those routes, they essentially track them from entry to coming into the camp. And then they call me and they say, ‘We tracked somebody into the camp, will they come out?'” Cowan continued.

“For me, that is rendering the camp unable to provide humanitarian assistance because people are tracked in and then expected to come out,” he claimed.

But nothing Cowan describes actually renders the camp unable to provide humanitarian assistance.

The simple fact is that whether or not illegal aliens are tracked to the No Más Muertes camp — or apprehended upon leaving it — has absolutely no bearing whatsoever on whether or not those illegal aliens actually receive aid while in the care of the No Más Muertes volunteers.

Cowan’s words make it clear that what No Más Muertes is truly angry about is that active border enforcement renders obsolete its hitherto de facto status as an effective sanctuary way station for illegal aliens wishing to go farther into the U.S.

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Indeed, the group’s website makes it unavoidably clear that despite the pretense of humanitarianism, the organization is a fundamentally political one that seeks to aid and abet illegal entry into the United States.

One update on the site, called “Keep Tucson Together’s campaign to resist deportations,” encourages activists to help the pro-illegal immigration group Keep Tucson Together “People’s Power Campaign.” An update posted on May 25 touts a “New book by [No Más Muertes] volunteer on the fight for immigration justice.”

If the activists in No Más Muertes were truly concerned with preventing deaths among those who attempt to cross the border, they wouldn’t be so eager to promote work that only encourages the desperate to make the dangerous journey, say immigration enforcement advocates.

“The best way to ensure that nobody is harmed, or dies, while coming to the U.S. is to regain full control of the border and ensure that all immigration is legal immigration,” said Ray. “The type of targeted enforcement we’ve seen under the Trump administration has resulted in fewer attempts at illegal border crossings. This will save many lives in the long run.”