Although medical specialists recognize the DNA change, they do not regard it as a problem. As long as the transplant is successful, the change will not cause any medical complications. The patient’s medical history and mind remain unchanged.

So, what is the issue? For Renee and her colleagues, the DNA change is significant. As forensic experts, they saw Chris’s case through the lens of crime prevention, and they understood that the DNA change could mean the difference between life and death for some.