cancer-causing agents and because of the vicinity and the children that are involved. you didn t care. these parents have every reason to be angry. the children s school had toxic chemicals and even worse, they were the last to know. prescription for cheating. they read our x-rays, but the investigation reveals a disturbing question over the certification of many radiologists. isn t it cheating? revealing investigations. fascinating characters. stories with impact. this is cnn properties with your host tonight, brooke baldwin and dr. sanjay gupta. we begin with a rare look in anonymous. they are the shadowy and motley group of hackers and activists. drawn together by love of internet mischief. they are evolving into the movement of social change behind the wall street occupiers. they are hated by corporate security, but hunted by the fbi. one of the questions is who are these people and why are they taking to the streets? to get some answers, we step into the shad