A Cook County judge signed an order on Tuesday night stopping I.C.E. agents from arresting people at or near courthouses in Cook County. Cook County includes Chicago and many cities around it. The order went into effect yesterday. It “bars the civil arrest of any ‘party, witness, or potential witness’ while going to court proceedings.” This encompasses any arrests in courthouses and/or in the immediate areas around courthouses such as parking lots. The Department of Homeland Security defended ar