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, 29, has been in El Salvador’s Terrorism Confinement Center for almost a month. Here’s everything that’s happened since he was arrested on March 12.

Experts say President Nayib Bukele has the power but not the interest to return a man deported from Maryland to El Salvador in error.