A federal judge has instructed the Trump administration to explain why its failure to turn around flights carrying deportees to El Salvador did not violate his court order in a growing showdown between the judicial and executive branches.

Federal Judge James “Jeb" Boasberg has a long history of handling politically charged cases, including Trump’s grand jury investigations, Jan. 6 sentencings, and surveillance reforms. Now, he’s facing impeachment calls after blocking Trump’s deportation orders.

The U.S. judge who temporarily blocked President Donald Trump’s administration from invoking wartime powers to deport migrants has for years handled high-stakes cases involving sensitive security or political issues - sometimes ruling in Trump's favor.