The wall is one of the Trump administration’s most controversial policies — having served as a lightning rod for criticism ever since the campaign. Democrats and pro-immigrant activists have claimed that a wall is cruel, while simultaneously claiming it doesn’t work.

Last month, dozens of House and Senate Democrats wrote to the administration urging it to halt all border wall construction.

TRUMP ADMINISTRATION LAUNCHES BORDER WALL WEBSITE WITH INTERACTIVE CONSTRUCTION MAP 

“Money that should be invested in health care, small businesses and fighting the spread of COVID-19 is instead being used to build an ineffective and wasteful border wall that does not solve our immigration crisis or protect our homeland,” the lawmakers wrote, according to Politico. “We should be using all resources and funding to combat this virus and protect Americans, instead of using critical funding and resources to continue the construction of a border wall.”

It’s an argument that the administration flatly rejects — and it has pushed a number of immigration and border-related measures in response to the crisis, including allowing CBP to immediately return those who enter the country illegally, as well as limiting nonessential travel at both the southern border and the U.S. border with Canada.

The wall is part of that effort, and CBP, in particular, had taken efforts to demonstrate the progress it is making on the barriers — recently creating an interactive website to track this.

“The border wall system is and will remain a top priority. It is an integral tool [that] improves CBP’s operational capacity with every mile of steel put into the ground to effectively impede and deny who and what is coming through our borders that may cause harm to our nation’s citizens, including infectious diseases like COVID-19,” Morgan said.

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He later stressed the added health risk to agents, doctors, and the public, saying the wall is a “necessary tool in our toolbox” in fighting back against the coronavirus.

“CBP has dealt with a variety of infectious disease threats in the past and it is undeniably a health security and national security matter,” he said. “The border wall system has helped us stem the spread of COVID-19.”