If this is the treatment of a citizen when the camera is rolling then we can only suspect what occurs off camera.
Where are the so called "good cops" while all this unnecessary abuse is happening?
The criminals on scene should be fired and jailed, and the entire police department should be serviced with a civil complaint in Federal Court.
USC 42 section 1983 should fit the bill for proper redress.
Another sad day for LEA.. The thin blue "Criminal" line must be removed.