From NY Times: At least two legal cases prompted by border problems are working their way through the courts, including one filed in Federal District Court in Chicago last year by the A.C.L.U. against the Department of Homeland Security and the Federal Bureau of Investigation.
More recent episodes that provoked concern include one in which border agents reportedly Googled the name of an Ohio man and then questioned him about a letter to the editor he had written to The Toledo Blade regarding events in the Middle East.