Could this be the wound caused by that stone?
How is that possible? Absolutely impossible. How could a small stone have the strength to shatter a human skull? Unless it was fired from close range with a gun, even then, it's unlikely to cause such an effect.
The forensic investigator was startled by his own bold speculation, doubting if he was too tired lately. He had known better than to hit the nightclub last night and flirt with that little enchantress; she had nearly drained him dry throughout the night.
Strangely, there were two fatal wounds on the corpse's head, one was a gunshot wound to the frontal lobe inflicted by Sima Huimin, and the other was the inexplicable wound on the back of the head, which was even more lethal than the gunshot wound on the forehead, as it directly struck his central brain, meaning that the assassin had actually died before being shot!