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RESEARCH ARTICLE Digital infrared photography to develop GSR …
- https://www.tandfonline.com/doi/pdf/10.1080/00450610701324932#:~:text=Digital%20infrared%20photography%20can%20be%20used%20by%20crime,a%20firearm%20is%20discharged%20a%20plume%20of%20gunshot
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Gunshot residue on dark materials: a comparison …
- https://pubmed.ncbi.nlm.nih.gov/30430255/
- Gunshot residue on dark materials: a comparison between infrared photography and the use of an alternative light source. The pattern of gunshot residue (GSR) includes important information about muzzle-target distance since a larger GSR distribution diameter indicates a …
FORENSIC ANALYSIS OF GUNSHOT RESIDUE (GSR)
- https://forensicyard.com/forensic-analysis-of-gunshot-residue-gsr/
- Gunshot Residue Examination 1. Visual examination. In cases where the firearm is discharged from a close range, the visual examination may reveal burning, blackening, tattooing, etc. Their presence indicates a gunshot injury or a gunshot hole. 2. Infrared photography. If bullet holes are on colored clothes, the presence of gunshot residue is masked.
Gunshot residue on dark materials: a comparison …
- https://www.researchgate.net/publication/328941276_Gunshot_residue_on_dark_materials_a_comparison_between_infrared_photography_and_the_use_of_an_alternative_light_source
- Unburned propellant powder particles in gunshot residue (GSR) were detected at near infrared by optical excitation in the visible wavelength range.
Gunshot Residue Analysis (GSR) - Microtrace
- https://www.microtrace.com/material/gunshot_residue_gsr/
- Condensed particles of lead, antimony, and barium from the primer cap prove particularly useful for analytical purposes. The scientific community regards these “tri-component” particles as characteristic of a gunshot. Analyses typically begin with infrared photography and SEM analysis combined with energy dispersive X-ray spectroscopy (SEM/EDS).
RESEARCH ARTICLE Digital infrared photography to develop …
- https://www.tandfonline.com/doi/pdf/10.1080/00450610701324932
- Digital infrared photography can be used by crime scene investigators as a nondestructive test for examining gunshot residue (GSR) on dark and multi-colored fabrics found at the crime scene. When a firearm is discharged a plume of gunshot residue exits the barrel and creates a visible powder pattern on light-colored clothing at
Gun shot residue - IR-UV
- http://www.ir-uv.com/gunshot.html
- IR Photos of Gun Shot Residue. Hole from 12 ga. slug at appx. 6”. Fuji S3 – IRUV Camera Peca 916 Filter (Transmits Visible Light only) Incandescent lighting Some gunshot residue is visible, but it is difficult to determine how much or exactly where it is located with a standard color or black & white photo. Hole from 12 ga. slug at appx. 6”.
Infrared Photography: A forgotten tool for investigators
- https://www.crime-scene-investigator.net/infrared-photography-a-forgotten-tool-for-investigators.html
- For instance, IR photography is useful in visualizing gun shot residue (GSR), bloodstains, tattoos, obscured writing, forgery, latent prints, and counterfeiting that is not readily visible to the naked eye. After capturing images of the scene or physical evidence using traditional photography the IR camera can then be used.
Forensic applications of infrared imaging for the …
- https://pubmed.ncbi.nlm.nih.gov/17645744/
- The black particles of gunshot residue scattering around the entrance hole under IR light were still observed at a distance of 60 cm from three different shooting ranges. A requirement of IR reflectivity is that there is a contrast between the latent evidence and the background.
A Method for Enhancing Gunshot Residue Patterns on …
- https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1556-4029.2006.00170.x
- ABSTRACT: In using infrared or infrared-enhanced photography to examine gunshot residue (GSR) on dark-colored clothing, the GSR particles are microscopically examined directly on the fabric followed by the modified Griess test (MGT) for nitrites. In conducting the MGT, the GSR is transferred to treated photographic paper for visualization.
Infrared Photography - Crime Scene Investigator
- https://www.crime-scene-investigator.net/Infrared_Photography_research_paper.pdf
- Infrared photography has a variety of forensic applications using reflected infrared photography and infrared fluorescence photography. Forensic applications examined here will include document examination, aerial photography, bloodstain documentation, gunshot residue, biomedical photography and surveillance.
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