President Donald Trump's order targeting the WilmerHale law firm has been struck down as unconstitutional. (AP Photo/Manuel Balce Ceneta)
"If you take on causes disfavored by President Trump, you will be punished!" Leon wrote. "Other firms facing similar executive orders have capitulated to President Trump."
WilmerHale drew Trump's ire as the home firm of Robert Mueller, who served as special counsel during Trump's first term and investigated alleged Russian interference in the 2016 election.
'WOEFULLY INSUFFICIENT': US JUDGE REAMS TRUMP ADMIN FOR DAYS-LATE DEPORTATION INFO
Federal judges have been a bane to Trump's agenda in the opening months of his return to the White House, foiling or delaying key aspects of his immigration and economic plans.
Demonstrators protest during a May Day demonstration against US President Donald Trump and his immigration policies in Denver, Colorado on May 1, 2025. (Jason Connolly / AFP)
"It turns out that having immigration proceedings on another continent is harder and more logistically cumbersome than defendants anticipated," Murphy said in his order, noting that the Trump administration is free to return individuals to have the interviews carried out on U.S. soil.
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The salvo comes as Murphy, a federal judge in Boston, presides over a class-action lawsuit from migrants who are challenging deportations to third countries, including South Sudan, El Salvador and other countries, including Costa Rica, Guatemala and others that the administration has reportedly eyed in its ongoing wave of deportations.
Fox News' Breanne Deppisch contributed to this report
Anders Hagstrom is a reporter with Fox News Digital covering national politics and major breaking news events. Send tips to Anders.Hagstrom@Fox.com, or on Twitter: @Hagstrom_Anders.
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