“Once [the public] are aware they are being recorded, once they know that everything they do is caught on tape, they will undoubtedly change their behaviour because they don’t want to get into trouble … Individual officers become more accountable, and modify their behavior accordingly, while the more disingenuous complaints from the public fall by the wayside once footage is likely to reveal them as frivolous.” According to a recent study, complaints against police officers fell by 93% in six departments where body cameras were introduced.

+ But the cameras are not without their issues. Here’s The Atlantic’s Robinson Meyer: They’re not transparent. They’re not independent. They’re not even turned on when they should be.