They were charged in the case several months after the killing.
No one has been charged in the case, the museum said.
The trial of four other officers charged in the case is expected to continue.
No one at the employment agency has been charged in the case.
It is not clear when or even whether he will be charged in the case.
A total of four officers are charged in the case.
The woman is black and the six men charged in the case are white.
The judge also noted that others could be charged in the case.
The woman is black while all the men charged in the case are white.
More than 30 people, about half of them police officers, were eventually charged in the case.