Original title: the suspect in the Zhang Yingying case frequently browsed the kidnapping website, exposed the records and studied the decomposition of the human body. On June 17, the trial of the Zhang Yingying case proceeded to the 4th day. The prosecution provided evidence that the FBI investigation found that the suspect frequently browsed the kidnapping website and studied the decomposition of the human body before the incident. In February 2017, the suspect downloaded a paper on the psychology of serial killers, read articles on decomposing the human body and downloaded photos.
In April, the suspect created an account on an adult website, browsed information about kidnapping fantasies, visited kidnapping forums many times, and downloaded photos of women being kidnapped and sexually assaulted, which were stored in a computer hidden folder.