An officer's voice came over the police radio: "I have a group of people fighting -- one of them is dressed like a robot."

Another officer, in reference to a group of protesters on Wednesday night: "They’re playing duck-duck-goose in the park."

Such was the radio traffic during the Republican National Convention, where officers' voices on the publicly available radio broadcast conveyed the tension, monotony, and occasional humor involved in keeping Cleveland safe.

Get the whole story from USA Today here.