Inventor of Plastination, Dr. Gunther von Hagens, talks about the process and his creations during a news conference at the Museum of Science in Boston, in this, July 28, 2006, file photo. Von Hagens says he has stopped using bodies from China for fear that some of them may be executed prisoners, ABC News reported on Friday, Feb. 15, 2008. Dr. Gunther von Hagens told ABC's "20/20" that he had to destroy some bodies he had received from China because they had injuries that made him suspect they were execution victims. (AP Photo/Michael Dwyer, file)