20/20: The Killer Behind the Camera/On Their Own/A Living Miracle/Give Me A Break

Cold-case detectives are currently investigating if a convicted killer might have killed others while posing as a photographer. A look at the children who are orphans due to the AIDS epidemic in Namibia. An update on the infant twins who both needed heart transplants. A young man who furnished his apartment with FedEx boxes is now being sued by the company.