Court of appeals in 2019 , DC will hear the case in May , the last stop on a case that may end in the Supreme Court . Maricopa ##to , Arizona attorney Joe Arpaio is investigating Obama 's plan to guarantee that thousands of illegal immigrants can n't be deported . He sued , claiming the ' amnesty ' arrangement would result in more border - crossers and more crime . federal court judge who threw out the lawsuit in December in an Obama appointee .
Court of appeals in Washington , DC will hear the case in May , the last stop on a journey that may end in the Supreme Court . Maricopa County , Arizona Sheriff Joe Arpaio is challenging Obama 's plan to guarantee that millions of illegal immigrants wo n't be deported . He sued , claiming the 'amnesty ' arrangement would result in more border-crossers and more crime . Circuit court judge who threw out the lawsuit in December in an Obama appointee .