Afterward, she used the same method to examine the hair.
Most people believe that if someone dies from arsenic poisoning, most of the toxin remains in the body, but this is not the case. After death from arsenic poisoning, the part of the body with an extremely high concentration of toxins is the hair.
Having preserved many arsenic compounds, Ran Yan continued to study the crack on the spine, which was near the second and third thoracic vertebrae, close to the heart and lungs. The fracture was on the right side, quite neat, and showed no signs of healing, suggesting it was most likely inflicted post-mortem.