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International Journal of Legal Medicine

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28.05.2020 | Case Report

Combined application of multiple autosomal and Y-chromosomal STR loci in solving a homicide case in 2009

verfasst von: Xingyi Yang, Quyi Xu, Qi Liu, Changhui Liu, Huiying Hu, XiaoLong Han, Ling Chen, Chao Liu

Erschienen in: International Journal of Legal Medicine | Ausgabe 3/2021

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Abstract

In 2009, a violent murder occurred. Two victims, a 47-year-old mother and her 21-year-old daughter, were murdered at home. After importing the 20 autosomal STR loci and 27 Y-STR loci into a database, no hit had been found. In 2019, a person with a prior criminal record was matched in the national forensic Y-STR database. When increasing the number of detected Y-STR loci to 60, all loci of the bloodstain donor at the crime and the suspect were still found to be identical. With the combined calculation of multiple autosomal STR and kinship index, we were able to identify the perpetrator as a previously unknown illegitimate child of a large family and solved the case.

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Titel: Combined application of multiple autosomal and Y-chromosomal STR loci in solving a homicide case in 2009
verfasst von: Xingyi Yang
Quyi Xu
Qi Liu
Changhui Liu
Huiying Hu
XiaoLong Han
Ling Chen
Chao Liu
Publikationsdatum: 28.05.2020
Verlag: Springer Berlin Heidelberg
Erschienen in: International Journal of Legal Medicine / Ausgabe 3/2021
Print ISSN: 0937-9827
Elektronische ISSN: 1437-1596
DOI: https://doi.org/10.1007/s00414-020-02322-z

Neu im Fachgebiet Rechtsmedizin

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Combined application of multiple autosomal and Y-chromosomal STR loci in solving a homicide case in 2009

Abstract

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