Survey of crowbar and household paints in burglary cases—population studies, transfer and interpretation

Buzzini, Patrick; Massonnet, Geneviève; Birrer, Stéphane; Egli, Nicole; Mazzella, Williams; Fortini, A.

doi:10.1016/j.forsciint.2004.09.116

Cited by 29 publications

(10 citation statements)

References 6 publications

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“…Concerning the colour blue and pink, a population of foreign traces sticking to the blades of crowbars seized by police was considered (Buzzini et al, 7 ): on 185 traces observed on 137 crowbars, blue colour was encountered only in one case. Pink colour was not observed.…”

Section: Case 2 -Burglary Case: Paint Traces On a Crowbar Bladementioning

confidence: 99%

The micro Raman analysis of paint evidence in criminalistics: case studies

Buzzini

Massonnet

Sermier

2006

J Raman Spectroscopy

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Paint is a widely used material, and painted objects are often encountered in criminal cases. The present article illustrates forensic cases involving paint evidence. The integration of Raman spectroscopy in the analytical sequence provides useful information about the main pigment(s) present in paint samples. One of the main advantages of micro Raman spectroscopy is the possibility of carrying out in situ measurements of paint smears directly on their support, thereby avoiding the handling and contamination of small trace particles. Raman spectroscopy also adds discriminating power to the standard sequence of paint analysis, which is an important added value in forensic science. Six cases submitted to our laboratory are described in order to show the versatility of application of this technique. Cases including automotive, household and spray paints were submitted to such analyses. Raman spectroscopy and Fourier transform infrared spectroscopy (FTIR) provide important and complementary information to characterise unknown samples.

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Section: Case 2 -Burglary Case: Paint Traces On a Crowbar Bladementioning

confidence: 99%

The micro Raman analysis of paint evidence in criminalistics: case studies

Buzzini

Massonnet

Sermier

2006

J Raman Spectroscopy

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“…They highlighted the importance of considering any potential changes to the trace evidence since its formation and transfer when interpreting the presence of a specific form of trace. Following their work, numerous studies have been carried out to investigate the evidence dynamics of a number of different forms of trace materials, such as glass [11][12][13], paint [14][15][16], hair [17][18][19] and pollen [4,20,21]. Similar patterns of loss to the two-stage model outlined by Pounds and Smalldon [9] have been shown in these studies; for example Bull et al [4] determined a significant loss followed by a slower decay for pollen grains.…”

Section: Introductionmentioning

confidence: 75%

Fragrance transfer between fabrics for forensic reconstruction applications

Gherghel

Morgan²,

Arrebola

et al. 2019

Science & Justice

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Sexual assault is a serious crime that often has low conviction rates. Recent literature has demonstrated that there is potential for fragrances to be valuable in forensic reconstructions where there has been contact between individuals. However, developing appropriate evidence bases for understanding the nature of fragrance transfer in these contexts is needed. This article presents three experiments that address the transfer process of fragrances that have been transferred from a primary piece of fabric onto a secondary piece of fabric, in a manner that could occur during an assault. The three variables studied were the ageing time of the fragrances on the first fabric prior to transfer, the contact time between the two fabrics, and lastly the fabric type (of the primary material and the recipient material). The transfer was evaluated using a validated solid phase micro-extraction gas chromatography-mass spectrometry (SPME GC-MS) method. The findings demonstrated that all three variables had an impact on the transfer of fragrances between clothing fabrics. Generally, lower volatility compounds were transferred and recovered in larger amounts than higher volatility compounds. All fragrance compounds were successfully recovered from a secondary piece of fabric even when the contact time was as short as 10 s, and even when the perfume was aged on the primary fabric for as long as 48 h. The nature of the fragrance transfer also depended on the fabric type, so that a clear discrimination was observed between the fragrance transfer that occurred onto a natural fabric (cotton) and onto a synthetic fabric (polyester).

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“…The bottom figure illustrates how these data corroborate other physical evidence (i.e., shoemark impressions) and background information about the case, which together serve to indicate a strong association between the three crime scenes. phthalocyanine blue is a common blue pigment, a survey of various commercial crowbars indicated that Prussian blue, an inorganic ferrocyanide pigment, is also used, [9] so the Raman analysis provided what is referred to as a manufacturing characteristic. In this and in other cases, Raman spectroscopy could be one of the first tests conducted to (1) provide fast investigative leads and (2) obtain information about the phenomenon of burglaries in that particular geographical area.…”

Section: Discrimination Of Colored Objects and Their Value As Physicamentioning

confidence: 99%

Forensic applications of Raman spectroscopy for thein situanalyses of pigments and dyes in ink and paint evidence

Buzzini

Suzuki²

2015

J Raman Spectroscopy

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Raman spectroscopy has proven to be a very useful tool for the forensic examination of various colored evidence, including its use in identifying pigments and dyes in paint and inks. Because both paint and inks consist of complex heterogeneous matrices, forensic scientists typically use a battery of different tests to characterize them, with each method contributing information that will be evaluated and integrated to produce an overall compositional profile. The contribution of the Raman method for the examination of these types of evidentiary materials will be described as well as the factors, which will show why this technique is suitable for the forensic endeavor. The literature offers abundant examples that show how Raman spectroscopy produces data that provide a very high degree of discrimination between samples, can perform non‐destructive microscopical in situ analyses, requires minimal or no sample preparation, and produces data that can be easily stored for database purposes. In this review article, a comprehensive review of the forensic applications of Raman spectroscopy for the characterization, differentiation, comparison, and identification of trace evidence and questioned documents, consisting of paint and ink, respectively, is presented. Copyright © 2015 John Wiley & Sons, Ltd.

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Survey of crowbar and household paints in burglary cases—population studies, transfer and interpretation

Cited by 29 publications

References 6 publications

The micro Raman analysis of paint evidence in criminalistics: case studies

The micro Raman analysis of paint evidence in criminalistics: case studies

Fragrance transfer between fabrics for forensic reconstruction applications

Forensic applications of Raman spectroscopy for thein situanalyses of pigments and dyes in ink and paint evidence

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