Forensic odontology

After learning of her husband’s affair with a much younger woman, Beatrice laced his meals with arsenic. A week later, he died. In one or two sentences, tell me if it is fair to assume that the arsenic poisoning and subsequent death were related.

Why or why not? What information would you need to say otherwise? In one or two sentences, describe how forensic odontology is helpful for obtaining a positive identification (ID). In other words, what do researchers look for when examining this evidence? We learned in Fredy Peccerelli’s TED Talk (a forensic anthropologist who brings closure to the “disappeared”) about the role of the Guatemalan forensic team in identifying the remains of people lost in a violent 36-year conflict. First, in one sentence, tell me what they used the DNA that they extracted from the skeletons. Second, in one or two sentences, tell me why they might have also needed to study the bones themselves (i.e., what couldn’t the DNA tell them)?