They need a reenactment in the court room. Get the cop to lay there handcuffed while a BLM protestor gets to put push a knee into the side of he's "levator" while a team of umpires direct exactly where and how softly to push. WHile this happens, the cop demonstrates how he can easily talk and his breathing is not affected. The BLM protestor who gets to do the task must the winner of a raffle with all proceeds going to support the purchase of helmets and gas masks.