and the events occurred. so they couldn't catch it. or the physical evidence didn't support what the witness is saying. it went both directions. i thought it was much more important the grand jury hear everything what the people have to say and they're in a perfect position to assess the credibility, which is what jurors do. >> as to the timing of when the decision was afounded, mccullough said he had no regretz t. late night announcement of the grand jury's decision triggered riots and violent protests in the streets of ferguson and nationwide peaceful demonstrations. meanwhile, in milwaukee, protesters angry over the shooting death o dantre hamilton, paralyzed the city on friday. officials say nearly 100 people were arrested. he was shot 14 times in april in a confrontation in the city park. the officer involved in his death has been fired.