Joel Rose

Coronavirus testing in the U.S. has run into a number of snags, from a lack of nasal swabs to not enough chemicals needed to run the tests.

Now there's a new bottleneck emerging: A shortage of the machines that process the tests and give results.

Civilian labs and the Pentagon say they've had trouble getting the sophisticated, automated machines that can run hundreds of diagnostic tests at once. Three machine manufacturers — Hologic Inc., Roche and Abbott Laboratories — have confirmed to NPR that demand is outstripping supply.

As hospitals were overrun by coronavirus patients in other parts of the world, the Army Corps of Engineers mobilized in the U.S., hiring private contractors to build emergency field hospitals around the country.

The endeavor cost more than $660 million, according to an NPR analysis of federal spending records.

But nearly four months into the pandemic, most of these facilities haven't treated a single patient.

When Carlos Mejia-Bonilla was detained by immigration authorities a few years ago, he told the health care staff at the Hudson County Correctional Facility in New Jersey that he was taking medicine for a range of conditions, including diabetes, anemia, high blood pressure and cirrhosis of the liver.

Ten weeks later, he died of gastrointestinal bleeding.

Frustration with stay-at-home orders is mounting in many parts of the country. In Colorado, protesters gathered Sunday afternoon on a hillside in front of the state capitol in Denver.

"I'm watching businesses close. I'm watching friends lose their incomes," protester Deesa Hurt told Colorado Public Radio. "We just want to reopen Colorado. That's all we want."

As the number of coronavirus cases surged in Massachusetts, nurses at a hospital in Milford were desperate. They held up cardboard signs outside the hospital asking for donations of protective gear to wear while treating infected patients.

William Touhey Jr. thought he could help. Touhey is the fire chief and emergency management director in this small town outside of Boston. He did some legwork, and placed an order for 30,000 protective gowns from overseas.

"We were hearing good things that it was coming," Touhey said.

In recent days, the Trump administration has organized dozens of flights to deliver surgical masks and other critical medical supplies around the country, working with a half dozen major medical distributors to get those supplies "to the right place at the right time."

But if your state isn't considered the right place, that system can be frustrating.

"When you look at those five or six national distributors, Montana is sure as heck not getting much luck out of them," Gov. Steve Bullock said in an interview.

From the hospital where he works in South Carolina, Dr. Kiran Nagarajan has been watching the coronavirus crisis explode in other parts of the country. But, like many other immigrant doctors, he can't do anything about it.

"There's a dire need of physicians especially in places like New York, New Jersey," Nagarajan said. "I wish I can go and help there."

U.S. authorities face growing calls to shutter all of the nation's immigration courts, and to release detained immigrants who do not pose a threat to public safety after an ICE detention center worker tested positive for the coronavirus.

Immigration and Customs Enforcement reported for the first time this week that one of its workers has the virus that causes COVID-19. ICE also says there are no confirmed cases of coronavirus among its more than 37,000 detainees nationwide.

Updated at 9:57 p.m. ET

President Trump plans to seal off the U.S-Mexico border to migrants under a law intended to protect the country from communicable disease — a move that comes as the U.S. immigration system grinds to a halt in response to the growing coronavirus pandemic.

At a press conference Wednesday, Trump said the southern border would not close completely. But the move would allow the administration to quickly deport asylum-seekers and other migrants who cross the U.S.-Mexico border illegally without due process.

Top Senate Democrats warn that the Trump administration is deliberately undermining the independence of immigration courts.

In a bluntly worded letter to the Justice Department, which oversees the immigration courts, the senators accuse the administration of waging an "ongoing campaign to erode the independence of immigration courts," including changing court rules to allow more political influence over decisions and promoting partisan judges to the Board of Immigration Appeals.

The head of U.S. Customs and Border Protection made a surprising admission this week about the agency's Seattle field office.

Last month, officers at a border crossing there pulled aside hundreds of Iranian-Americans — including U.S citizens and green card holders — and held them for hours.

"In that specific office," acting CBP commissioner Mark Morgan said at a briefing with reporters in Washington, "leadership just got a little overzealous."

The Trump administration's attempt to block New Yorkers from enrolling in trusted traveler programs is heading for court.

On Friday, Gov. Andrew Cuomo and the New York Civil Liberties Union announced their intention to file lawsuits against the Department of Homeland Security. DHS said this week that it will no longer allow New York state residents to sign up for popular programs intended to speed up international travel because of a state law that blocks immigration authorities from accessing motor vehicle records.

Updated at 3 p.m. ET on Feb. 7

The U.S. Department of Homeland Security says it will no longer allow New York state residents to enroll in programs intended to expedite international travel because of a state law that blocks immigration authorities from accessing motor vehicle records.

Hundreds of tech workers pack an auditorium for a recent networking event in Toronto. The evening's host glides around the room on a hoverboard, equal parts game show host and techie.

"Who here is new to Canada?" asks Jason Goldlist, the co-founder of TechToronto, an organization that helps newcomers navigate the city's fast-growing tech ecosystem.

For a moment, Jesus thought his ordeal was coming to an end. Three months after fleeing Venezuela, he got his chance to tell a judge how he and his mother escaped political persecution.

"The judge asked me three questions," Jesus said in Spanish through an interpreter. "What's your nationality? Why did you leave your country? Why can't you go back?"

Iranian Americans say they are scared to travel, and some are dropping international trips after U.S. citizens of Iranian descent were held by U.S. immigration agents at the Canadian border over the weekend.

Immigrant advocates say some Iranian Americans are concerned about being unfairly targeted by Customs and Border Protection amid escalating tensions between Iran and the United States.

It was never easy for migrants to win asylum cases in U.S. immigration courts. But now, it's nearly impossible.

Out of tens of thousands of migrants who have arrived at the southern border in recent months, just 117 have been granted protection by a judge. That's according to the latest immigration court data released Thursday by the TRAC Immigration project at Syracuse University.

It was almost dark when Shalom LeBaron reached the spot where her daughter, Rhonita Miller LeBaron, and four grandchildren were killed. LeBaron found the remains of her 10-year-old granddaughter in the back seat of a car that had been riddled with bullets and set on fire earlier that morning.

"Facedown, crunched up in fetal position because she was so afraid," LeBaron said through tears in an interview with NPR. "That's how her bones were found."

For almost three decades, Jared Taylor has been publishing his ideas about race at the American Renaissance magazine and now at a website called AmRen, which is considered a mouthpiece for white supremacist ideology.

"The races are not identical and equivalent," says Taylor, who calls himself a "race realist" and rejects the white supremacist label. "There are patterns of difference. But this is now something that's considered a huge, hateful taboo in the United States."

The future of DACA hangs in the balance as the Supreme Court prepares to hear arguments about the program next week.

Updated at 9:10 p.m. ET Tuesday

The Justice Department is proposing to begin collecting DNA samples from hundreds of thousands of immigrants crossing the border, creating an enormous database of asylum-seekers and other migrants that federal officials say will be used to help authorities fight crime.

Earlier this year, the State Department quietly rolled out new limits on one of President Trump's favorite targets: the diversity visa lottery.

The White House made ending the program one of the "pillars" of its immigration policy proposal last year. But those proposals went nowhere on Capitol Hill.

So the administration tried something different: It is restricting who can apply for the diversity visa, in a way that advocates say will make it much harder for low-income immigrants to apply.

Updated 6 p.m. ET

Immigrant advocates asked a federal appeals court on Tuesday to block the Migrant Protection Protocols (MPP), a key part of President Trump's immigration policy. The policy forces asylum seekers to wait for their immigration court hearings in Mexico.