Forensic laboratory backlog: The impact of inconclusive results of marijuana analysis and the implication on analytical routine

Journal article


Belchior de Andrade, A., Salum, L. B. and Ferrari Junior, E 2021. Forensic laboratory backlog: The impact of inconclusive results of marijuana analysis and the implication on analytical routine. Science & Justice. 61 (6), p. 755. https://doi.org/10.1016/j.scijus.2021.09.005
AuthorsBelchior de Andrade, A., Salum, L. B. and Ferrari Junior, E
Abstract

Forensic laboratories worldwide are struggling to keep up with the increasing number of cases submitted for analysis, regardless of the reasons, backlog of controlled substances cases is a reality in many countries. In this paper we analyse the number of petitioned examinations (from 2016 to 2020) and the data from 11,655 marijuana TLC results from the Forensic Laboratory in the Federal District Civil Police in Brazil. Data demonstrates that backlog increases inconclusive results, with storage and light playing a crucial role in the process. Additionally we explored the repercussions of delayed forensic results for controlled substances and propose an approach to overcome waiting time in this context.

KeywordsForensic labs; controlled substances ; Brazil
Year2021
JournalScience & Justice
Journal citation61 (6), p. 755
PublisherElseiver
ISSN1355-0306
Digital Object Identifier (DOI)https://doi.org/10.1016/j.scijus.2021.09.005
Web address (URL)https://www.sciencedirect.com/science/article/pii/S135503062100126X?casa_token=IlScmlu3tDcAAAAA:CPwjiEINKtOwtyiw-Kk1wu6_4q-c6g3YOY2uO_aVGY3v_LMKRRP7v-Ul2kutL5FuZuXsZN9pWQ
Accepted author manuscript
License
File Access Level
Controlled
Output statusPublished
Publication dates
Online30 Sep 2021
Publication process dates
Accepted28 Sep 2022
Deposited22 Sep 2022
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