Aperson was hit over the head with a baseball bat during a riot and was killed. the victim was also run over by a car before arrived, but he was already dead. during the autopsy, he was found to have a broken finger, which already had started to knit itself back together. which injury is antemortem? which injury is perimortem?

The injury due to baseball bat during riot is a Perimortem injury.

The  broken finger injury is the antemortem injury.

Explanation:

Antemortem injury are those injury which were caused before death. These injury usually show signs of healing.In the given question, The broken finger started to knit itself back together, so it must have occurred before death and hence is an antemortem injury.Perimortem injury occur just before death and show no signs of healing.In the question the injury due to baseball bat lead to the death of the victim. Thus, it occurred just before death and is a perimortem injury.A postmortem injury occurs after death,.In the question the victim was run over by a car after he was already killed by the baseball bat injury. So, it is a postmortem injury.  .