danah boyd and Alex Rosenblat write about why police body cams may not do any good and could do a lot of harm the communities we hope they’d protect. A summarizing quote:
We turn to technology because it’s new and fancy, because we hope that it can do things that people cannot do. But technology is a tool. And it is primarily used to reinforce existing structures of power, even when we hope that these same tools can be used to challenge the status quo.