Protestors rally in front of a court house before a US grand jury indicted a white policeman on two minor charges for last month's fatal shooting of an unarmed black man, 19-year-old Timothy Thomas, on Monday in Cincinnati, Ohio.Earlier Monday, the US Justice Department announced that it plans to open a civil rights investigation into whether Cincinnati police officers use excessive force and infringe individuals' constitutional rights.The shooting of Thomas was the 15th time that a black male had died at the hands of Cincinnati police since 1995.Agencies via Xinhua