A judge questioned jurors Tuesday as a former BP rig supervisor went on trial for a misdemeanor pollution charge from the 2010 Deepwater Horizon oil rig disaster in the Gulf of Mexico. CHICAGO - A coalition of civil rights attorneys and others said Tuesday they have filed a court petition seeking to force Cook County State's Attorney Anita Alvarez to hand over the prosecution and any further investigation involving the fatal police shooting of black teenager Laquan McDonald to a special prosecutor.