Grand jury heard five hours of testimony from 60 witnesses , three medical examiners . Accounts vary on when Michael Wilson began shooting at Michael Brown . Some witnesses said Wilson shot Brown when he was down and no longer a threat . I 'm not saying it is the right decision Witnesses differed on whether Brown charged Wilson .
Grand jury heard five hours of testimony from 60 witnesses , three medical examiners . Accounts vary on when Michael Wilson began shooting at Michael Brown . Some witnesses said Wilson shot Brown when he was down and no longer a threat . Witnesses differed on whether Brown charged Wilson .