The shooting of an unarmed man in Charleston, SC. has shone a spotlight on the critical role cameras can play in encounters with law enforcement. From Ferguson, Mo. to the streets of New York and Washington, D.C, law enforcement agencies are quickly adopting body-worn cameras, but important legal and privacy questions remain over footage shot by both cops and citizens alike. Kojo examines how the now-ubiquitous camera -- whether worn on a uniform or held in a hand -- is changing community policing, and what rights and responsibilities come with this powerful tool.