What is a problem that is associated with the forensic identification of bite marks?

What are the problems with bite mark analysis?

Another problem with bite mark evidence is its similarity to other “sciences” such as fingerprint analysis and firearm analysis: they are subjective to the person evaluating the evidence. Different experts have found widely different results when looking at the same bite mark evidence.

What problems does forensic odontology face?

There is insufficient study that the techniques used can correctly identify specific or unique source, meaning that the marks left (the unknown) can be traced and attributed uniquely to one specific source. A person’s dental profile changes over time. Frequently there is unequal application of force in the real world.

What information can you get from bite marks?

There is valuable information that can and should be obtained from a bite mark, whether or not it can be, or is, used for comparison purposes. Forensic odontology includes identification of human remains and age estimation as well as bite mark evidence.

What can the forensic dentist tell about the biter based on the bite mark?

A forensic dentist can tell a lot about the teeth of the biter based on the bite mark. … They then compare transparencies of the mold with those of the bite-mark cast, and photos of both the bite mark and the suspect’s teeth are compared to look for similarities.

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What is the major problem facing the forensic DNA community?

What major problem is facing the forensic DNA community? The substantial backlog of unanalyzed DNA samples for crime scenes.

What is the error rate for bite mark identification?

, “The rate of error in bite mark identification, particularly the rate of false positive errors, appears to be quite high.” In fact, only three studies have examined the reliability of bite mark analysis. All three show serious problems. One showed an error rate – a rate of false identifications – as high as 91%.

What factors are involved when analyzing a bite mark to determine the perpetrator’s identity?

There are factors that may affect the accuracy of bite mark identification which include time-dependent changes of the bite mark on living bodies, effects of where the bite mark was found, damage on soft tissue, and similarities in dentition among individuals.

How do you think bite marks can be used to solve crimes?

Bites can also provide evidence that a suspect was present at a particular crime. … It is the role of forensic odontologists to confirm that a particular injury is indeed a bite mark, to collect the required evidence from both the victim and the suspect, and to analyze the bite in light of the collected evidence.

How do investigators document a bite mark?

Investigators compare translucencies of the sample bite mark mold to the bite mark silicone cast and compare pictures of the bite mark to pictures of the suspect’s teeth to find similarities.

What causes bite mark?

When an insect bites, it releases saliva that can cause the skin around the bite to become red, swollen and itchy. The venom from a sting often also causes a swollen, itchy, red mark (a weal) to form on the skin. This can be painful, but it’s harmless in most cases.

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