No matter what charges, if any, are announced, there will be riots.
One possible tactic is to charge all with murder in the 1st degree and deal with the fallout three years from now when they are acquitted because they were over-charged. That pleases the mob now and after three years the mob won't remember who the officers are accused of victimizing.
One possible tactic is to charge all with murder in the 1st degree and deal with the fallout three years from now when they are acquitted because they were over-charged. That pleases the mob now and after three years the mob won't remember who the officers are accused of victimizing.