Shelton put his cell phone into his pocket, looked at me, and shook his head, saying, "No. I've called the Dean of the Oasis Hospital. He said that it happened 30 years ago. At that time, it wasn't as informative as the Internet Age now. Moreover, the man came with cash. So there was no way to check his identity."

"Did he pay by cash?" I couldn't help feeling a little incredulous, saying, "According to the nurse, the man paid 50 years' hospitalization fees in one go. Moreover, there were all kinds of other expenses. Thirty years ago, it would cost at least a million dollars. At that time, he...