The Wisconsin judge who was arrested by the FBI on Friday and accused of interfering in the arrest of an undocumented immigrant has a decadeslong history of advocating for the poor and vulnerable.

The FBI has arrested a Milwaukee judge accused of helping a man evade immigration authorities. Friday's arrest escalates a clash between the Trump administration and local authorities over the president’s sweeping immigration crackdown.

The arrest marks a significant escalation in the Trump administration's crackdown on immigration, as well as in its battles with judges across the country.