The five men struck at 2 a.m., police say, again using a large rock to break the window. Because of the earlier burglary, an unarmed security guard was on-duty inside the store. However, the guard didn't intervene when one of the men motioned that he had a gun.Philadelphia television station WPVI broadcast a report from the scene that includs surveillance footage of the crime. Police are asking anyone with information to please contact the authorities.
Apple's annual developer conference in San Francisco.