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Processing the Backlog of Sexual Assault Evidence from a Brazilian Forensic Genetics Laboratory Using Automation
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Processing the Backlog of Sexual Assault Evidence from a Brazilian Forensic Genetics Laboratory Using Automation
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Journal Article
Processing the Backlog of Sexual Assault Evidence from a Brazilian Forensic Genetics Laboratory Using Automation
2024
Overview
The accumulation of untested sexual evidences is a common problem for many forensic laboratories. In Brazil, there are around 150 thousand sexual evidences awaiting DNA processing. At the same time, manual extraction by differential lysis of these evidences is laborious and time-consuming. In this regard, the Brazilian federal government has structured and sponsored forensic genetics laboratories, providing automated platforms for evidence processing, with the objective of clearing the backlogs of sexual evidences and feeding the national DNA database. This study aims to evaluate the results from processing the backlog of sexual evidences in the forensic genetics laboratory of the Institute- Geral de Perícias do Rio Grande do Sul to verify if the use of automation is an efficient strategy to manage large amounts of stored evidences. A total of 614 cases of sexual assault (1026 sexual evidences) from the last 10 years (2013 to 2023) with at least one sample with positive result for spermatozoa detection were analyzed. Samples were submitted for DNA extraction by differential lysis on the Hamilton Micro lab Autolys STAR SAE platform, followed by the amplification of STR autosomal markers, capillary electrophoresis analysis in the ABI 3500 genetic analyzer and insertion in the BPG-RS
Publisher
جامعة نايف العربية للعلوم الأمنية - الجمعية العربية لعلوم الأدلة الجنائية والطب الشرعي
Subject
