Of course the mayor has been negligent in her handling of the protests/riots (at least negligent - possibly intentionally destructive).
But that does not mean that the officers' actions were lawful.
The Mayor's negligence has probably resulted in medical emergencies, if not deaths from all the prescription drugs LOOTED FROM CVS ON HER WATCH being circulated throughout Baltimore.
All six of them? BS. Get the GPS/Cellphone coordinates from that van, possibly determine how driver was driving.. For starters.