The Supreme Court has heard arguments in a case about the Trump administration’s push to end legal protections for migrants fleeing war and natural disaster. The case heard Wednesday offers the latest test of how the justices will assess the legality of the president’s far-reaching immigration crackdown. Chief Justice John Roberts and Justice Amy Coney Barrett likely hold the key votes. The government is appealing lower court orders that blocked the Department of Homeland Security from immediately ending temporary protected status for people from Haiti and Syria. The court has sided allowed the end of the program for people from Venezuela as lawsuits continue to play out.

The Supreme Court is weighing arguments over the Trump administration’s push to end legal protections for Haitians and Syrians as migrants fleeing war and natural disaster. Haitians and Syrians were among those from 17 countries with Temporary Protected Status, which allows migrants already in the U.S. to stay with work permits in 18-month increments, so long as the Secretary of the Department of Homeland Security deems their country of origin unsafe for return. Since President Donald Trump’s second term began, Homeland Security has ended the protections for 13 countries, exposing their migrants to potential deportation.

Federal agents have served search warrants in Minnesota in an ongoing fraud investigation of publicly funded social programs for children. No details about possible crimes were disclosed, though armed agents were seen at childcare centers in the Minneapolis area on Tuesday. Gov. Tim Walz welcomed the action. Minnesota was the site of an immigration crackdown that led to the deaths of two people this year. Before that crackdown, the government brought charges against dozens of people, many of them Somali Americans, who were charged with fleecing a federal program that was meant to provide food to kids.

A Mexican man in the United States has pleaded guilty to impersonating a Border Patrol agent and following federal immigration officers to divert them while they were out on immigration enforcement missions in Southern California. Jamie Ernesto Alvarez-Gonzalez admitted Tuesday to following a Border Patrol agent on Jan. 8 while he was driving in a neighborhood in San Diego, according to the U.S. Attorney’s Office for the Southern District of California. He drove a black Ford F-150 truck, a model also used by undercover federal officers. The agent aborted his mission when he saw Alvarez-Gonzalez following him, falsely believing other agents were responding.

When the U.S. Supreme Court hears arguments on the Trump administration’s plans to stop shielding Haitians and Syrians from deportation, people from more than dozen other countries will pay close attention, perhaps none more than an estimated 200,000 from El Salvador. Many Salvadorans have lived in the United States for 25 years under Temporary Protected Status, which allows those already in the country to stay with work permits. Court arguments Wednesday will focus on whether the administration fully weighed conditions in Haiti and Syria when it ended TPS and if it prejudiced non-white immigrants.

At the peak of the crackdown, carloads of masked immigration officers were a common sight in the streets of Minneapolis, while thousands of people were being arrested every week in Texas, Florida and California. In December alone, arrests by Immigration and Customs Enforcement agents peaked at nearly 40,000 nationwide, according to data provided to UC Berkeley’s Deportation Data Project and analyzed by The Associated Press. Arrests were nearly as high the next month. But the killings by federal agents of two U.S. citizens in Minneapolis and the subsequent shake-up of top immigration officials were quickly followed by a nearly 12% drop in arrests since early February.

Late-night votes are an age-old pressure tactic for congressional leaders in both major political parties. Yet overnight sessions have become increasingly common in Congress as the House and the Senate struggle to govern. Lawmakers say it’s a symptom of a broken Congress that often has to resort to extreme measures to pass major legislation and is often careening from one crisis to the next. In just the last few weeks, Congress has done much of its work in the middle of the night, leading to confusion and chaos in both chambers. Republican Sen. Kevin Cramer of North Dakota says, “The dysfunction is getting worse.”