Development and validation of a systematic approach for the quantitative assessment of the quality of duct tape physical fits

Prusinowski, Meghan; Brooks, E. J.; Trejos, Tatiana

doi:10.1016/j.forsciint.2019.110103

Cited by 12 publications

(19 citation statements)

References 2 publications

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“…ESS thresholds were provided in the template as an additional measure of similarity based on previous research: ESS less than 40 indicated the edge comparison was considered a non-fit, an ESS of 40-60 was considered inconclusive, and an ESS of 60 or higher was considered a fit. ESS below 30 or above 80 were considered to provide stronger support for a non-fit or fit conclusion, respectively [13][14][15]. A template was filled out for every pairwise comparison of tape samples.…”

Section: Standardized Reporting Templatementioning

confidence: 99%

“…Among those publications, the most common materials include metal, tapes, textiles (including ropes and cords), glass, ceramics, polymers, and paper [6][7][8][9]. To address the need to demonstrate the scientific validity of physical fit comparisons, recent studies have included larger datasets to estimate error rates for physical fit comparisons and critical factors for the quality of a physical fit [6][7][8][9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

“…For example, both duct tape and textiles are comprised, in part, of fibers. However, the specific features that are observed in duct tape fit comparisons understandably differ from those used for comparison of fibers in a piece of textile fabric, in part because of how those fibers are manufactured in each product and how they fracture in a torn or cut separation process [13][14][15]. As such, one of the most critical aspects to address in physical fit examinations is identifying which features are relevant to a given material during the comparison steps and why.…”

Section: Introductionmentioning

confidence: 99%

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Experimental results on data analysis algorithms for extracting and interpreting edge feature data for duct tape and textile physical fit examinations

Prusinowski,

Tavadze,

Andrews

et al. 2023

Journal of Forensic Sciences

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A physical fit is an important observation that can result from the forensic analysis of trace evidence as it conveys a high degree of association between two items. However, physical fit examinations can be time‐consuming, and potential bias from analysts may affect judgment. To overcome these shortcomings, a data analysis algorithm using mutual information and a decision tree has been developed to support practitioners in interpreting the evidence. We created these tools using data obtained from physical fit examinations of duct tape and textiles analyzed in previous studies, along with the reasoning behind the analysts' decisions. The relative feature importance is described by material type, enhancing the knowledge base in this field. Compared with the human analysis, the algorithms provided accuracies above 90%, with an improved rate of true positives for most duct tape subsets. Conversely, false positives were observed in high‐quality scissor cut (HQ‐HT‐S) duct tape and textiles. As such, it is advised to use these algorithms in tandem with human analysis. Furthermore, the study evaluated the accuracy of physical fits when only partial sample lengths are available. The results of this investigation indicated that acceptable accuracies for correctly identifying true fits and non‐fits occurred when at least 35% of a sample length was present. However, lower accuracies were observed for samples prone to stretching or distortion. Therefore, the models described here can provide a valuable supplementary tool but should not be the sole means of evaluating samples.

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Section: Standardized Reporting Templatementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Experimental results on data analysis algorithms for extracting and interpreting edge feature data for duct tape and textile physical fit examinations

Prusinowski,

Tavadze,

Andrews

et al. 2023

Journal of Forensic Sciences

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“…Elemental analysis is typically conducted by μXRF, ICP-MS, ICP-OES, or LA-ICP-MS Although a fracture fit is considered the highest degree of association between two objects, its scientific validity needs further proof. As a result, evaluating the scientific foundations of fracture fits and fracture patterns of trace materials has regained interest in the last 5 years (Baca et al, 2016;Brooks et al, 2020;Prusinowski et al, 2020).…”

Section: Current Practice and Analytical Protocolsmentioning

confidence: 99%

Forensic glass examinations—A review focused on elemental spectrochemical analysis

Trejos

2022

WIREs Forensic Science

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Glass is a trace material commonly found at crime scenes that can provide valuable information at early investigative stages and during a trial. The forensic analysis of glass has steadily evolved since the 1970s with numerous technological advances in spectroscopy and spectrometry. This article presents an advanced review of the recent literature concerning the forensic examination of glass evidence and discusses the current state and future opportunities of the discipline. The review focuses on established elemental spectrochemical techniques, including Inductively Coupled Plasma methods (ICP), laser‐ablation, and x‐ray Fluorescence (XRF) methods, and newer applications using Laser Induced Breakdown Spectroscopy (LIBS), Raman Spectroscopy, and accelerator and reactor nuclear techniques. A brief overview of the transfer, persistence, interpretation, and analytical schemes implemented in the field is revised to provide context to the discussion of the capabilities and limitations of the current and emerging technology. This article is categorized under: Forensic Chemistry and Trace Evidence > Trace Evidence

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“…In 2020, Prusinowski et al developed a systematic method to quantify the quality of a duct tape physical fit using a similarity score named Edge Similarity Score (ESS) [ 131 ]. The ESS uses the duct tape scrim bins as the smallest comparison unit in a reproducible manner.…”

Section: Introductionmentioning

confidence: 99%

Interpol review of paint, tape, and glass evidence 2019–2022

Almirall

Trejos

2023

Forensic Science International: Synergy

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Development and validation of a systematic approach for the quantitative assessment of the quality of duct tape physical fits

Cited by 12 publications

References 2 publications

Experimental results on data analysis algorithms for extracting and interpreting edge feature data for duct tape and textile physical fit examinations

Experimental results on data analysis algorithms for extracting and interpreting edge feature data for duct tape and textile physical fit examinations

Forensic glass examinations—A review focused on elemental spectrochemical analysis

Interpol review of paint, tape, and glass evidence 2019–2022

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