Dash cams, body cams and unintended consequences

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High-profile cases of questionable killings and other alleged misbehavior have police departments mounting cameras on patrol cars and on cops themselves. The idea is public "transparency." But Seattle had 300,000 hours of dash-cam footage — enough to keep 170 people busy for a year in response to a court order. Body cams don't provide surveillance of the police -- it's the mostly innocent people they talk to. Should those interviews become public? Who should make the rules and implement the decisions day-to-day?