“Do you think he was injected with poison?” asked Xiaotao. “Should we test it?”

“I’ll get a sample now,” I replied.

I brushed the inside of a cup used in cupping therapy and held it over a flame. Then, I placed it on top of the puncture wound. I repeated the process and placed a few more cups on the victim’s abdomen where the liver should be. If there was any toxin in the human body, it would penetrate the skin and hair follicles, which could be pulled out using this traditional Chinese medicine technique.

Apart from that, this technique worked best on slow-acting toxins. I suspected that the victim was not poisoned but was injected with an unknown drug that turned him into a ‘living corpse!’

We waited for a while, then suddenly Xiaotao exclaimed, “Song Yang, look!”

Droplets slowly seeped out from the skin under the cups. I pulled off the cups and used cotton swabs to collect...