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Gunshot residue on hands examinations.(Evidence Examinations)
For muzzle-to-target distance determinations involving gunshot residue, see Firearms Examinations.
When a firearm is discharged, vaporous and particulate materials called gunshot residue (GSR) are expelled. After collecting gunshot residue from a suspected shooter's hands, the major elemental components of most cartridge primer mixtures can be analyzed to associate a suspect with the recent discharge of gunpowder from a firearm. This examination is used to determine if a person was in the presence of gunshot residue within a limited time period after a weapon discharge.
The Laboratory provides gunshot residue examinations to assist FBI field office investigations only.
Questions concerning gunshot residue evidence should be directed to 703-632-8441. Follow the Evidence Submission directions including Requesting Evidence Examinations and Packaging and Shipping Evidence.
* Only gunshot residue evidence obtained using a collection kit designed for scanning electron microscopy will be ...
- Firearms examinations.(Evidence Examinations)
- Handbook of Forensic Services January 1, 2003 700+ words
...manufacturing marks. Gunshot Residue on Victim's Clothing The deposition of gunshot residue on evidence such...target. Patterns of gunshot residue can be duplicated...including Requesting Evidence Examinations and Packaging and...
- Gunshot residue 'reveals no Kovco clues'.
- News wire article from: Bulletin Wire August 25, 2006 700+ words
...Bulletin Wire) Byline: Belinda Tasker Gunshot residue tests have shed no light on whether...Police forensic experts carried out gunshot residue tests on Pte Kovco's pistol, hands...year. The tests found no traces of gunshot residue on Pte Kovco's hands, but "abundant...
- Gunshot-residue expert testifes.
- Newspaper article from: Post-Bulletin (Rochester, MN) November 30, 2006 700+ words
...shooting case. At issue is whether gunshot-residue evidence will be allowed in the trial...Martinez, a forensic scientist and gunshot-residue expert from Texas, there is much...the underlying science involved in gunshot-residue analysis and the collection process...
- Anoka judge rejects gunshot residue evidence: Ruling in pool hall killings...
- News wire article from: Saint Paul Pioneer Press (St. Paul, MN) July 13, 2006 700+ words
...Anoka County judge has thrown out gunshot residue evidence police say helped solve the...States, one national expert said. Gunshot residue -- long-purported by police and...around the world continue to rely on gunshot residue evidence, and officials with the...
- Judge orders new trial based on gunshot residue data.
- Newspaper article from: Daily Record (Baltimore, MD) October 14, 2004 700+ words
...team technical data relating to the gunshot residue allegedly discovered on his hand...M. Baker had tested positive for gunshot residue, it did not supply supporting documentation...based on one single particle of unique gunshot residue. Last week, Judge Evelyn Omega Cannon...
- U. Rhode Island: Forensic scientist dispels gunshot residue myths at U. Rhode...
- News wire article from: The America's Intelligence Wire October 12, 2005 700+ words
...myths that surround her position. "Gunshot residue cannot always tell you how someone...a gun was fired," she said about gunshot residue, the main focus of her lecture...Everyone wants to know if we can match gunshot residue back to the specific box of ammo...
- Gunshot residue not found on accused pair: Criminalist explains test results at...
- News wire article from: Fresno Bee (Fresno, CA) August 18, 2006 700+ words
...Bragg Aug. 18--VISALIA -- No gunshot residue was found on samples taken from two...from his face and neck, revealed no gunshot residue, said Steven Dowell, a criminalist...in a car could also concentrate the gunshot residue particles. The greatest concentration...
- Chief engineer explains the process of recording the data used in gunshot...
- Newspaper article from: Daily Record (Baltimore, MD) September 3, 2004 700+ words
Byline: Peter Geier Even with a gunshot residue report in hand, lawyers on both sides...tests were positive or negative for gunshot residue, along with a disclaimer that says...antimony particles that are unique to gunshot residue, and all combinations of these and...
- Chemical analysis of firearms, ammunition, and gunshot residue.(Brief...
- Magazine article from: SciTech Book News September 1, 2008 700+ words
...9781420069662 Chemical analysis of firearms, ammunition, and gunshot residue. Wallace, James Smyth. CRC / Taylor & Francis 2008...of the chemical analysis of firearms, ammunition, and gunshot residue, with discussion of chemical aspects, protocols, methodology...
- Gunshot residue identification kit.
- Magazine article from: Law Enforcement Product News September 1, 2005 700+ words
...Inc. (LET) offers the ISid-2, a second-generation design of LET's Instant Shooter Identification Kit advanced gunshot residue (GSR) test kit. ISid-2 is a binary test kit; it contains everything needed to collect GSR evidence from the suspect...
Source: HighBeam Research, Gunshot residue on hands examinations.(Evidence Examinations)