Synthetic flock fibres: A population and target fibre study

Jones, Josephine; Coyle, Tiernan

doi:10.1016/j.scijus.2010.10.004

Cited by 20 publications

(8 citation statements)

References 8 publications

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“…Published data, derived from experimental investigations and background surveys, represent an important part of the “knowledge base” that is available to the forensic scientist when framing propositions, assigning probabilities and interpreting evidence in context. Examples include conducting background studies for the presence of glass (see Coulson, Buckleton, Gummer, & Triggs, ; F. Jackson, Maynard, Cavanagh‐Steer, Dusting, & Roux, ) and fibers (see Jones & Coyle, ; Wiggins & Drummond, ), and studies addressing the transfer and persistence in relation to inorganic gunshot residue (GSR) (see French, Morgan, & Davy, ; Lindsay, McVicar, Gerard, Randall, & Pearson, ) and trace DNA (see Szkuta, Ballantyne, & van Oorschot, ; van Oorschot, Glavich, & Mitchell, ). However, in many instances, there is a lack of relevant data that can be relied upon to generate probability estimates, particularly in relation to activity level issues.…”

Section: What Can We Know?mentioning

confidence: 99%

Crime reconstruction and the role of trace materials from crime scene to court

Morgan

Meakin

French

et al. 2019

WIREs Forensic Science

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Crime reconstruction takes place in a complex ecosystem and needs to be responsive to the context of each case. For accurate, reproducible and transparent crime reconstructions to take place, a holistic approach is needed that considers the different stakeholders, different types of trace material, integral human decision-making and interconnected nature of the forensic science process. For robust reconstruction, there needs to be a consideration of both the distinctive types of trace material that can contribute to the reconstruction, and an understanding of the interplay of human decision-making within reconstruction approaches. In addition, it is also necessary to consider source attribution of a trace material in addition to the activities that led to the generation, identification, transfer, and persistence of the trace. This requires explicit and tacit forms of knowledge, and an incorporation of the inherent uncertainty and risk in the reconstruction approach. The communication of conclusions reached in a crime reconstruction that address what the evidence means is also an important consideration given the different requirements of intelligence and evidence. Therefore, undertaking a crime reconstruction within a holistic framework that seeks to incorporate the complexity of the forensic science ecosystem is valuable for achieving a problem solving approach that offers reproducible, transparent reconstructions with a clear articulation of risk and uncertainty that can be of value to investigators and the courts.

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Section: What Can We Know?mentioning

confidence: 99%

Crime reconstruction and the role of trace materials from crime scene to court

Morgan

Meakin

French

et al. 2019

WIREs Forensic Science

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“… Colour block studies: provide information on the ability of a scheme of analysis to discriminate between ostensibly similar fibres of a given generic fibre/ colour combination [6][7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“… Target fibre studies: provide estimates of the probability of finding significant numbers of a specific fibre type, morphology and colour combination, on a random surface [13][14][15][16][17][18][19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

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The prevalence of two ‘commonly’ encountered synthetic target fibres within a large urban environment

et al. 2015

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“…Résultats des principales études de fibre cible (N=13).Il est intéressant de noter qu'au-delà des fibres cibles issues de vêtements, il est possible d'étudier d'autres sources. C'est le cas de l'étude de Jones and Coyle[66] dans laquelle les fibres cibles proviennent de tapis de voiture. Le but de la recherche étant d'étudier l'occurrence de certains types de flock fibres, il est important de choisir une référence où cette catégorie de fibres est couramment utilisée.…”

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Les paramètres clés de l'interprétation des fibres textiles en sciences criminelles. Partie I: Occurrence et bruit de fond

Schnegg

Palmer

Massonnet

2017

Canadian Society of Forensic Science Journal

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Les paramètres clés de l'interprétation des fibres textiles en sciences criminelles-Partie I : Occurrence et bruit de fond Résumé La question au centre d'une expertise forensique est la détermination de la valeur probante d'une correspondance entre une trace et un matériel suspect. Dans le domaine des fibres textiles, il s'agit de se prononcer sur la signification d'une non-différentiation entre un textile de question et un groupe de fibres indiciaires. Pour ce faire, il est possible d'utiliser une approche probabiliste, plus particulièrement une approche bayesienne, afin d'assigner un rapport de vraisemblance aux observations issues de l'exploitation en laboratoire. Plusieurs paramètres doivent alors être discutés : la rareté des fibres observées (occurrence), la probabilité que ces dernières proviennent de l'action criminelle (transfert et persistance) et la probabilité qu'elles soient présentes par hasard / non liées au crime (bruit de fond). Le présent article propose une revue critique des sources d'informations publiées dans la littérature forensique permettant d'estimer les paramètres du rapport de vraisemblance. Les principaux résultats sont présentés puis discutés à la lumière des avantages et des limitations des différents types d'études. Dans cette première partie, seules les études dédiées à la détermination de la rareté des fibres indiciaires (occurrence) et aux fibres en provenance du bruit de fond seront présentées. Les travaux traitant du transfert, de la persistance et du prélèvement des fibres seront traités dans une seconde partie.

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Synthetic flock fibres: A population and target fibre study

Cited by 20 publications

References 8 publications

Crime reconstruction and the role of trace materials from crime scene to court

Crime reconstruction and the role of trace materials from crime scene to court

The prevalence of two ‘commonly’ encountered synthetic target fibres within a large urban environment

Les paramètres clés de l'interprétation des fibres textiles en sciences criminelles. Partie I: Occurrence et bruit de fond

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