Four people arrested last weekend while protesting at the Beavercreek store where police shot and killed a man in August have been charged with obstructing official business and trespassing. They pleaded not guilty and were released on bond. Two are from Fairborn; the others are from Springfield and Wilberforce. They were taken into custody Saturday during a "die-in" demanding justice for 22-year-old John Crawford III. The store was temporarily closed as a safety precaution. Crawford was killed while carrying an air rifle. Police believed he had a real firearm. A grand jury concluded the shooting was justified. Crawford's family has filed a lawsuit alleging negligence and violation of Crawford's civil rights.