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
eito, 27 years old, about to become a free man. both their guilty verdicts in the murder of meredith kercher, 21 years old at the time four years ago, overturned by six jurors, two judges in a dramatic moment we all saw live here on cnn. you re looking at these live pictures coming in from perugia. we want to welcome our viewers from united states and around the world. i m wolf blitzer in situation room. let s listen in right now. amanda knox s sister speaking in perugia. not only did they defend her brilliantly, but they also loved her. we are thankful for the support we have received from all over the world. people who took the time to research the case and found that amanda and raffaele sollecito were innocent. we thank the court for having the courage to look for the truth and overturn this conviction. we now respectfully ask you give amanda and the rest of our family the privacy we need to recover from this horrible ordeal. thank you. you heard the younger sister o