The recovery of finger marks from soot-covered glass fire debris

Stow, Karen; McGurry, J.

doi:10.1016/s1355-0306(06)71562-3

Cited by 21 publications

(14 citation statements)

References 3 publications

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“…Two recent studies have highlighted the difficulties of recovering fingerprints from a range of objects present in a fire scene (25,26). Bleay et al.…”

Section: Resultsmentioning

confidence: 99%

“…Two recent studies have highlighted the difficulties of recovering fingerprints from a range of objects present in a fire scene (25,26). Bleay et al (25), in particular, investigated fingerprint recovery on a range of surfaces exposed to fire, including metal, where they found marks can become ''baked'' onto metal surfaces.…”

Section: Heating Fingerprint Residue Deposited On Brassmentioning

confidence: 99%

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Visualization of Latent Fingerprint Corrosion of Metallic Surfaces

Bond

2008

Journal of Forensic Sciences

125

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Chemical reactions between latent fingerprints and a variety of metal surfaces are investigated by heating the metal up to temperatures of approximately 600 degrees C after deposition of the fingerprint. Ionic salts present in the fingerprint residue corrode the metal surface to produce an image of the fingerprint that is both durable and resistant to cleaning of the metal. The degree of fingerprint enhancement appears independent of the elapsed time between deposition and heating but is very dependent on both the composition of the metal and the level of salt secretion by the fingerprint donor. Results are presented that show practical applications for the enhancement to fingerprints deposited in arson crime scenes, contaminated by spray painting, or deposited on brass cartridge cases prior to discharge. The corrosion of the metal surface is further exploited by the demonstration of a novel technique for fingerprint enhancement based on the electrostatic charging of the metal and then the preferential adherence of a metallic powder to the corroded part of the metal surface.

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“…Two recent studies have highlighted the difficulties of recovering fingerprints from a range of objects present in a fire scene (25,26). Bleay et al.…”

Section: Resultsmentioning

confidence: 99%

Section: Heating Fingerprint Residue Deposited On Brassmentioning

confidence: 99%

Visualization of Latent Fingerprint Corrosion of Metallic Surfaces

Bond

2008

Journal of Forensic Sciences

125

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“…If however the fire does not fully consume the scene then it may be that some of the bloodstains survive intact, albeit hidden within an often highly damaged, dangerous and soot covered scene. Notably, it is this damage that has lead to the misconception that there is little chance of evidential recovery from such scenes (6,7).…”

Section: Résumémentioning

confidence: 99%

“…Concerning evidence recovery from arson and other fire related incidents, research has shown the successful recovery of latent finger marks from heavily soot-covered surfaces, indicating that it is not only possible to recover marks from scenes, but that these marks are potentially of high quality and can be identified using appropriate techniques (4,5,7,9,10,(12)(13)(14)(15)(16). Additionally, there have been investigations that were successful in the removal of soot in order to visualize underlying finger marks in blood (5, 7).…”

Section: Résumémentioning

confidence: 99%

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Recovery of Bloodstain Patterns from Arson Scenes: Does Soot Removal Using Liquid Latex Damage Underlying Bloodstains?

Luche¹,

Jordan²,

T³

2011

Canadian Society of Forensic Science Journal

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Although traditionally perceived as a fruitless task due to the destructive nature of the fire and subsequent fire suppression efforts, evidence recovery from an arson scene, whether a crime in itself or as concealment for another, is paramount. The importance of this recovery is echoed by recent literature concerning post-arson evidence recovery, as it is demonstrated that certain types of evidence are more likely to survive than first thought, and that their recovery often depends on the effective removal of overlying soot. This investigation concerns the application of liquid latex for soot removal to facilitate the detection and examination of bloodstain patterns, which may be used to reconstruct events prior to or during the fire. Due to the nature of bloodstain pattern analysis and its reliance on the size and shape of the bloodstains, the primary goal was to evaluate any damaging effects that the liquid latex application and removal process may have on the underlying bloodstains and bloodstain patterns. Bloodstains in this study were projected onto a number of different surfaces of varying porosity and texture and subjected to a fire environment allowing a layer of soot to form, followed by the removal of the soot using liquid latex. It has been concluded that sprayed liquid latex is able to remove soot while preserving underlying bloodstains with varying degrees of success depending on the surface type. It is thought that a finer mist produced by higher quality equipment, as employed in previous investigations, may increase the success of this technique on the surfaces of lower porosity. RésuméBien que, traditionnellement, elle ait été perçue comme étant vaine ou inutile à cause des dégâts provoqués par l'incendie et les efforts entrepris pour le circonscrire, la recherche d'indices, après un incendie volontaire, qu'il soit dans le but de cacher un autre délit ou comme délit principal, est une nécessité. L'importance de trouver des indices post-incendie trouve un écho par la récente augmentation des articles touchant à cette problématique. Il a été démontré que certains types de traces ont plus de chances de résister qu'envisagé dans le passé et que leur mise en évidence dépend essentiellement de la capacité à enlever la couche de suie qui les recouvre. Cette recherche concerne l'application de latex liquide dans le but d'enlever cette couche de suie afin de faciliter la détection et l'examen des projections de sang qui pourraient aider à la reconstruction des événements avant ou pendant l'incendie. En raison de la nature de l'examen des traces de sang et de l'importance de la taille et de la forme de celles-ci, le but initial a été d'évaluer quels effets le processus d'élimination de la couche de suie par application de latex liquide pourraient avoir sur les traces de sang. Dans cette étude, du sang a été projeté sur des surfaces aux

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Interacting with Other Disciplines

Chasteen¹

2019

Forensic Analysis of Fire Debris and Explosives

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The recovery of finger marks from soot-covered glass fire debris

Cited by 21 publications

References 3 publications

Visualization of Latent Fingerprint Corrosion of Metallic Surfaces

Visualization of Latent Fingerprint Corrosion of Metallic Surfaces

Recovery of Bloodstain Patterns from Arson Scenes: Does Soot Removal Using Liquid Latex Damage Underlying Bloodstains?

Interacting with Other Disciplines

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