A federal judge says the Trump administration may have “acted in bad faith” by trying to rush Venezuelan migrants out of the country before a court could step in to block their deportations to El Salvador.

President Donald Trump’s least-favorite judge has accused the White House of acting in “bad faith” when it rushed to deport migrants to a mega-prison complex in El Salvador last month.District Judge James “Jeb” Boasberg slammed the Trump administration in court on Thursday,

Plus: The U.S. stock market had a turbulent day after President Trump's newly imposed tariffs went into effect over the weekend.

The decision almost certainly tees up another Supreme Court showdown over the power of the president to control every aspect of the executive branch.

President Trump issued a proclamation on March 14 invoking the Alien Enemies Act to summarily deport Venezuelan migrants who are allegedly members of the gang Tren de Aragua.

The Supreme Court had assumed much of the legal fight would play out in Texas, where courts may be less receptive to the detainees.

The Trump administration plans to fine migrants under deportation orders up to $998 a day if they fail to leave the U.S., according to documents reviewed by Reuters.

The Justices tell lower courts to stay in their proper judicial lane.