Before Estill, South Carolina Police Officer Quincy Smith answered a service call for a possible armed robbery, he flipped on the body-camera goggles he purchased for himself over the Internet. Months later, while testifying against the man who tried to kill him, he called it the best $30 he ever spent. Here’s the footage, captured by Smith, that helped convict Malcolm Antwan Orr, 29, of attempted murder and possession of a weapon during the commission of a violent crime.

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