Everyone rushed to the scene and saw an old man lying in the sludge under the bridge. His upper body was stripped of clothes. His chest and back were covered with something like a medicinal plaster. Peng Sijue stepped forward to check and found that the old man’s lips were dry and his eyes were bulging. The skin on the neck was red.

Removing a piece of plaster from the corpse, Peng Sijue immediately found that they were warming stickers[1] available in convenience stores.

"These are warming stickers on the deceased. I think the cause of death should be heatstroke. The body surface temperature exceeded the body's ability to remove heat, causing serious dehydration of the cells, failure of various organs, and finally, heart and lung failure." Peng Sijue concluded.

This method of death was...