Chapter 902: The Direction of the Clue

All four bodies were exposed outdoors, hence various depths of footprints and traces were left around the crime scenes. Those included footprints from suspects and the killer, and theoretically, traces from the act of rape or even necrophilia.

However, due to decay of the bodies, the exceptionally rapid growth of local vegetation, along with frequent heavy rain and sun exposure, these traces were significantly disrupted.

By examining just the footprints collected from the four cases, we can roughly determine that only the killer and the victim were present at the crime scenes. But trying to obtain more leads from this positive analysis proves to be quite difficult.

Conversely, having some analytical conclusions, using these traces for substantiation is indeed sufficient.

After reviewing the autopsy videos of three of the bodies, Jiang Yuan confidently stated, "These two bodies also bear traces of necrophilia."