Which is why citizens should start taking their own videos. You film me, i'll film you, and when we go to court well make sure the tapes agree
This is what so seriously bothers me about those who pronounce "glasshole" and disagree with individuals recording everything. The ones with the cameras have the power. Police have cameras to provide evidence in their favor. Businesses have cameras to provide evidence in their favor. Somehow individuals should not have that power.
We are rapidly approaching the day of ubiquitous cameras. When people can say "here are 37 different viewpoints of the event" it will radically transform this type of interaction. We can see the suspect commit the crime, if applicable. We can see the cop beat the suspect repeatedly, if applicable. More likely we can see both the suspect being combative and the officer escalating the situation with force. Whatever it is, ubiquitous cameras mean we get many viewpoints and the story can be told without the he-said/she-said problems we have today. Getting there will be bumpy, but I hope we get there quickly.