Federal Judge Paula Xinis is at the center of the case of a Maryland man mistakenly deported to El Salvador by the Trump administration that has emerged as a critical test of Trump’s aggressive crackdown on immigration in the United States.

Kilmar Abrego Garcia was arrested near his Maryland home in March and deported to an El Salvador prison. His family has sued to force his return.

A federal immigration official acknowledged last week that the removal of Kilmar Abrego Garcia, a Maryland man, to El Salvador was an "administrative error."