Answer:
Step-by-step explanation:
The expert witness who would testify on previously broken bones of a victim is a Medical expert. Medical experts are professionals who have extensive knowledge and experience in the medical field and can provide expert opinions on medical issues related to a particular case. In this case, the medical expert would examine the victim's medical records, x-rays, and other relevant medical information to determine the nature and extent of the injuries sustained by the victim, including the previously broken bones. They would then provide expert testimony in court to explain their findings and opinions to the judge and jury.