It actually went very well on both sides . '' NEW : Police Corp . says crowds were vocal but orderly . No arrests as opposing groups demonstrate over racial issues . Police talk about a transit officer who shot and killed an unarmed black man . Officer was found guilty of involuntary manslaughter in the shooting of Officer Grant .
NEW : Police Corp . says crowds were vocal but orderly . No arrests as opposing groups demonstrate over racial issues . Police talk about a transit officer who shot and killed an unarmed black man . Officer was found guilty of involuntary manslaughter in the shooting of Officer Grant .