Abstract
The usage of forensic DNA techniques to trace biological kinship is a very important process in identifying unknown deceased victims in unsolved murder cases. In most contexts, DNA collection to investigate unknown persons’ cases is entrusted to authorities under the assumption that the case may be a murder, an unnatural death or other crime. Short tandem repeats (STRs), single nucleotide polymorphisms (SNPs), and mitochondrial DNA analyses are three classes of markers which will play an important role in the present and the future of forensic DNA typing. Furthermore, the combination of Y-STRs and Y-SNPs provides valuable investigative leads on the geographical ancestry of the male trace donor. The mitochondrial DNA is highly polymorphic and can also provide statistical inferences of a DNA donor’s bio-geographical ancestry. In the case of unresolved murder, identification of unknown victim provides a clue to a very important case resolution. Therefore, we need to discuss the use forensic DNA information to identify for unknown victims of unnatural death related to murder cases.
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