Li Wei lay still on the bed in a pool of blood with a pair of scissors sticking out of his chest. I touched the vein on his wrist, and felt a faint pulse.

“He’s still breathing!” I shouted. “Quick, call the ambulance!”

Xiaotao immediately dialed 120[1]. I looked around the house and saw a closet full of girls’ clothes, and on the table were some makeup, combs, false eyelashes and other cosmetic items. Li Wei’s blood was still warm, so the ‘dead woman’ must not have gone that far yet.

I opened my Autopsy Umbrella and borrowed a UV lamp from the forensics team. I asked Dali to hold the lamp up for me while I slowly turned the Autopsy Umbrella and scanned the whole room. Eventually, a set of very faint footprints appeared on the stairs.

Dali and I followed it all the way down and we reached a flower bed in the front garden of the building. Surely enough, there was a woman’s body lying among the flower plants!

The woman was wearing a pink dress. Judging by her height and body size, she was undoubtedly the...