Hannah Dugan, the Milwaukee County judge arrested Friday by the FBI for allegedly obstructing federal authorities who were seeking to detain an undocumented immigrant, was a longtime social justice advocate before she took the bench.

Ruiz, an immigrant from Mexico, who appeared in Dugan's courtroom for a pretrial hearing. Flores-Ruiz is charged with three counts of of battery and domestic abuse. Flores-Ruiz's arrest was prompted by a violation of the Immigration and Nationality Act and unlawful re-entry into the United States,