C674

About an hour later, Ding Qian's cell phone rang.

Lee Da's test results were out. He told Ding Qian that the small brown stain was human blood and that it had been there for a long time. He also found some gastric epithelial cells, intestinal mucosa cells, feces, and some plaster.

"What's going on?" Ding Qian asked.

"I'm not sure, but I think the stains are mixed blood