The white New York police officer who choke-held unarmed Eric Garner leading to his death had earlier been sued thrice for alleged misconduct. A UN Special Rapporteur has expressed concern over a "pattern of impunity," citing two grand juries' failure to indict officers involved in the deaths of two black civilians. Last year, Darren Collins and Tommy Rice alleged in a federal court lawsuit that the officer, Daniel Pantaleo, and four other officers humiliated and unlawfully strip-searched them publicly after handcuffing them during their arrest on Staten Island the previous year, Detroit Free Press reports. The cops, who were searching...