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Topic: Trace evidence

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	Trace evidence - Wikipedia, the free encyclopedia
		Trace evidence is evidence that is found at a crime scene in small but measurable amounts.
		Examples of typical trace evidence include hairs, fibers, soils, botanical materials, gunshot residue, explosives residue, and volatile hydrocarbons (arson evidence).
		The most common instrument used in trace evidence analysis is the compound polarized light microscope.
	en.wikipedia.org /wiki/Trace_evidence (136 words)

	Trace - Wikipedia, the free encyclopedia
		in linear algebra, the trace of a square matrix A is the sum of its main diagonal elements.
		in semiotics, a trace is the physical and material result of poietic processes, the "message" made by a "producer" and interpreted by esthesic processes of a receiver.
		in transport, a trace is one of two, or more, straps, ropes or chains by which a carriage or wagon is drawn by a harness horse or other draught animal.
	en.wikipedia.org /wiki/Trace (393 words)

	Free Essays on Trace Evidence
		Trace evidence can be thought of as evidence occuring in sizes so small that it can be transferred or exchanged between two surfaces without being noticed.
		Trace evidence examination is the examination and analysis of small particles in order to help establish a link between a suspect and a crime scene or a suspect and the victim of a crime.
		Trace evidence is a very important part of forensic science and plays a large role in identifying perpetrators of crime.
	www.123student.com /134.htm (1278 words)

	Forensics - Wikipedia, the free encyclopedia
		Criminalistics is the application of various sciences to answer questions relating to examination and comparison of biological evidence, trace evidence, impression evidence (such as fingerprints, shoeprints, and tire tracks), controlled substances, firearms, and other evidence in criminal investigations.
		Forensic economics is the study and interpretation of economic damage evidence to include present day calculations of lost earnings and benefits, the lost value of a business, lost business profits, lost value of household service, replacement labor costs and future medical care costs.
		Questioned document examination is the study and interpretation of evidence that takes the form of document.
	en.wikipedia.org /wiki/Forensics (1134 words)

	Georgia Bureau of Investigation
		The term "trace evidence" is generally thought of as any type of evidence occurring in sizes so small that it can be transferred or exchanged between two surfaces without being noticed.
		His postulate that objects or surfaces which come into contact always exchange trace evidence is known today as "the Locard exchange principle." Today the forensic community uses the term "trace evidence" to include associative-type evidence that is usually microscopic in nature.
		The most common examples of this type of evidence are: fibers and textiles; paints and coatings; plastics and polymers; glass and hair.
	www.state.ga.us /gbi/trace_evidence.html (358 words)

	Trace Evidence
		The trace evidence section of the Forensic Science Laboratory deals with the analysis of both microscopic and macroscopic traces of physical evidence.
		The trace evidence laboratory specializes in the examination of this type of evidence with the goal of linking suspects to victims and/or crime scenes.
		An initial examination to detect this microscopic evidence is conducted using a stereomicroscope.
	www.westchestergov.com /labsresearch/ForensicandTox/forensic/trace/tracemain.htm (868 words)

	Trace Evidence Recovery Guidelines by SWGMAT Evidence Committee (FSC, October 1999) (Site not responding. Last check: 2007-10-19)
		Trace evidence recovery or collection techniques used should be the most direct and least intrusive technique or techniques practical.
		All evidence packages must be properly sealed in a manner to prevent tampering and eliminate loss or contamination of the trace evidence through open edges.
		The responsibility of trace evidence collection may be assigned to personnel of varying occupations and levels of expertise such as crime scene technicians, law enforcement personnel, and medical personnel.
	www.fbi.gov /programs/lab/fsc/backissu/oct1999/trace.htm (2421 words)

	UFO Evidence : Physical Trace Cases
		Physical trace reports were labeled Close Encounters of the Second Kind (CE-II) by J.Allen Hynek and involve instances where there was a physical interaction between the UFO and its environment.
		The physical trace phenomenon is an enduring aspect of the UFO mystery, having manifested for the entire duration of the modern era of the UFO controversy.
		The Center for Physical Trace Research was established June 1, 1998 by Ted Phillips to provide a central repository for the receipt, study, and distribution of UFO landing events involving physical residue.
	www.ufoevidence.org /topics/PhysicalTraceCases.htm (911 words)

	Condom Trace Evidence: A New Factor in Sexual Assault Investigations
		If a condom is recovered, the traces from the victim on the outside and the seminal fluids from the assailant on the inside would have the greatest evidentiary value.
		The traces on this swab will serve as the standard for comparison with traces recovered from the victim and the suspect.
		Traces of water-soluble condom lubricants may have been absorbed or lost, and as a result, any traces found internally may be at a very low level.
	www.crimeandclues.com /condoms.htm (2121 words)

	Trace Evidence Quality Assurance Guidelines by SWGMAT (Forensic Science Communications, January 2000)
		Trace evidence training programs must enable the trainees to obtain the specialized knowledge and skills required to demonstrate ability in each discipline in which they will be qualified.
		Instrumentation used in the analysis of trace evidence must be tested with reference standards, when appropriate, to ensure that the instruments are performing adequately.
		The trace evidence laboratory should operate in accordance with the regulations of the pertinent government, environmental, health, biohazard and safety authorities, and laboratory policy.
	www.fbi.gov /hq/lab/fsc/backissu/jan2000/swgmat.htm (2578 words)

	Trace Evidence
		Be alert to the consequences of improper handling of trace evidence, particularly since such handling may completely negate the value of otherwise admissible court evidence.
		Trace evidence may either be deposited at a crime scene by the perpetrator or may be carried away.
		You must keep these and other sources of trace evidence in mind and be diligent in your search for them at the scene, on the suspect, or in the area or on equipment used by the suspect.
	www.tpub.com /maa/192.htm (1029 words)

	Statistics and Trace Evidence: The Tyranny of Numbers by Houck (Forensic Science Communications, October 1999)
		Before trace analysts can comfortably approach using statistics to present their results to a judge or jury, it is critical that these fundamental questions be answered and those answers be accepted by the trace evidence community.
		Note that the basic form of trace evidence data is different than that of DNA and must, therefore, be treated with different statistical approaches in mind: One size does not fit all.
		A unified trace theory is both the holy grail of trace evidence and, possibly, a pipe dream.
	www.fbi.gov /hq/lab/fsc/backissu/oct1999/houck.htm (3904 words)

	Trace evidence: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-19)
		Trace evidence is evidence that is found at a crime scene crime scene quick summary:
		A crime scene is a location where an illegal act took place, and comprises the area from which most of the physical evidence is retrieved by forensicsforensic...
		Trace evidence could be anything from a partial fingerprint to some splattered blood, EHandler: no quick summary.
	www.absoluteastronomy.com /encyclopedia/t/tr/trace_evidence.htm (87 words)

	Trace evidence expert says work like a 'jigsaw' puzzle - Campus
		However, since trace evidence can also be quicker and more versatile than DNA testing, it is often used to provide enough evidence for authorities to obtain warrants.
		Trace evidence is not considered as trustworthy as DNA evidence, however.
		There are other, more rare uses of trace evidence, such as soil analysis, or determining whether or not headlights were on at the time of a crash.
	www.ramcigar.com /news/2006/03/28/Campus/Trace.Evidence.Expert.Says.Work.Like.A.jigsaw.Puzzle-1751253.shtml (527 words)

	Trace Evidence: Hair
		Hair is in all likelihood one of the most common types of trace evidence (Nickell, J. & Fischer, J. Hair is extremely variable among both individuals and racial populations (Crocker 1999) (Saferstein, 2004) (Greenshields & Scheurman, 2001).
		As with most forensic evidence the information obtained from hair is expressed in terms of probabilities of a match rather than an absolute match (Crocker, 1999).
		The material being examined is held over a white sheet of paper and abraded in order to dislodge and hair adhering to it (Bisbing, 2001) Trace evidence found on the white paper is then separated into classes such as hair, fibre, glass etc. and analyzed accordingly.
	www.crimeandclues.com /hair_evidence.htm (2646 words)

	Affidavit of Charles Linch
		I held the position of Trace Evidence Analyst at SWIFS from 1990-1999, with the exception of a four-month recess between June 1994 and September 1994.
		In addition to collecting certain trace evidence at the crime scene, I was provided with numerous pieces of evidence at the SWIFS laboratory.
		As a trace evidence analyst, it is my professional opinion that further forensic testing on this evidence would have been appropriate in order to adequately investigate the factual bases of the prosecution's theories.
	www.fordarlieroutier.org /Evidence/WritAffidavits/linch.html (899 words)

	Fingerprints and Trace Evidence (Site not responding. Last check: 2007-10-19)
		When fingerprint evidence is photographed, a complete record of all technical data about the camera, lens, film, shutter speed, lens opening, illumination, camera position, distance from object, and angle is also kept.
		Trace evidence, so called because it's so small it can easily be missed, may consist of a variety of things.
		Only after it is certain that all residual trace evidence is cleared from the impression area is a plaster cast mold taken.
	faculty.ncwc.edu /toconnor/315/315lect05.htm (3133 words)

	Trace Evidence
		The Trace Evidence Unit is one of the most diverse and unique of all disciplines in the Forensic Science Division (FSD) of the Michigan State Police (MSP).
		Sometimes the Trace Evidence Unit is referred to as the "Catch-all" Unit.
		When a piece of evidence is brought to the laboratory and no other units are able to analyze it, the Trace Evidence Unit will often receive the evidence and attempt to identify it through the use of numerous microscopic and chemical analyses.
	www.michigan.gov /msp/0,1607,7-123-1593_3800-15961--,00.html (1411 words)

	Bookreporter.com - Reader Comments about TRACE EVIDENCE by Elizabeth Becka
		She has flaws, but her job is to find traces of evidence that will lead to solving the crime because the killer has a flaw.
		TRACE EVIDENCE was just okay, but it is a first novel so Elizabeth Becka's writing may develop as the series goes on.
		TRACE EVIDENCE is one of the first of many that will show growth in Eve, her office and cohorts.
	www.bookreporter.com /suspense_thriller/0507becka/becka-ARC.asp (1037 words)

	Trace Evidence by Katherine Ramsland
		Trace evidence, though often insufficient on its own to make a case, may corroborate other evidence or even prompt a confession.
		Because trace evidence can be any number of things, from a paint chip to a piece of glass to plant debris, there are numerous different methods used for analysis.
		While there is no end to the types of trace evidence that can be found, most investigations center on fiber or hair, which is easier to see than pollen or dirt.
	www.crimelibrary.com /forensics/trace (923 words)

	Forensic Science: Trace Evidence
		The pipe wrench was submitted to the laboratory for examination of blood and trace evidence.
		This indicated to the trace examiner that the tool had been wiped clean because the white envelopes contained a significant amount of blood.
		At this point in the investigation, Trace was assigned the task of comparing the blood impression on the envelopes with the suspect wrench.
	www.troopers.state.ny.us /Forensic_Science/Lab_Sections/Trace_Evidence (538 words)

	Mute Witnesses: Trace Evidence Analysis
		One might think that trace evidence is not the most exciting subject, but once I started reading this book, I couldn't put it down.
		The author's spend some time lamenting the lack of interest in trace evidence now that DNA evidence is on the scene, but they have a point.
		The case studies are interesting, and show how valuable trace evidence can be in providing direction to an investigation and in answering questions other methods can't.
	www.crimeandclues.com /mute_witnesses_review.htm (444 words)

	Forensic Microanalysis (Site not responding. Last check: 2007-10-19)
		Trace evidence is a broad term meaning any small piece of physical evidence that links a suspect to a crime scene.
		It should be distinguished from the science of microscopy because the word micro in microanalysis refers to the size of the evidence, not the use of a microscope.
		So, most microanalysts have dropped the whole probability estimate issue, except in cases where a database index exists (like with the FBI's paint file) and when there's a good chance that there are some known parameters from the population sample statistics are drawn from (see this JUS 308 lecture on Inference).
	faculty.ncwc.edu /toconnor/425/425lect04.htm (2374 words)

	[No title]
		Toolmark evidence should be packaged so as not to subject it to damage or loss of trace evidence.
		TRACE EVIDENCE REMOVED FROM THE OBJECT SURFACE: On painted surfaces bearing a toolmark, sample scrapings of the paint should also be submitted to the laboratory.
		The evidence should also be marked to show the inside or outside; top, or bottom; and the surface area bearing the toolmark.
	www.cci.ca.gov /reference/peb/PEB27.doc (1190 words)

	MUFSC Seminar
		The goal of this presentation is to provide some case examples of unexpected circumstances or forms of Trace evidence that have provided assistance in an investigation.
		The presentation will highlight variations of the typically encountered types of Trace evidence that may have greater value given special circumstances and assist in an investigation of an unknown perpetrator or illustrate association with the incident due to the presence of material or form or condition of the samples.
		In summary, it should be emphasized that the use of trace evidence as an additional investigative tool may solidify the findings in any given case.
	forensics.marshall.edu /Seminar/Seminar-04.10-3.html (238 words)

	Episode list of trace evidence (Site not responding. Last check: 2007-10-19)
		There is no evidence that Copernicus was murdered by the...
		A woman fakes evidence to link two murders in an...
		he tries to trace the whereabouts of a jewel cache...
	episode.fowak.com /index.php?kid=episode-list-of-trace-evidence (104 words)

	Bookreporter.com - TRACE EVIDENCE by Elizabeth Becka
		Jeffrey Dahmer was born and raised in a small community near Cleveland, and in the more remote past, Eliot Ness was stymied in his efforts to uncover the identity of a killer who stalked the city's (then) clandestine gay community.
		While TRACE EVIDENCE concerns itself with the hunt for a serial murderer, the focus of the book is Evelyn James, a forensic trace evidence specialist who is investigating a series of bizarre, terrifying murders.
		TRACE EVIDENCE is a fine introduction not only to Becka but to James as well.
	www.bookreporter.com /reviews2/1401301746.asp (396 words)

	Amazon.com: TRACE EVIDENCE : THE HUNT FOR AN ELUSIVE SERIAL KILLER: Books: Bruce Henderson (Site not responding. Last check: 2007-10-19)
		Trace Evidence, by contrast, has a steady relentlessness that allows the reader to become fascinated by the characters of the investigators and the facts of how the evidence was assembled.
		Trace Evidence is skillfully structured, emphasizing the investigation rather than the trial, and includes crisp photographs of the key evidence.
		Without hard evidence, though, the investigation of the "I-5 Killer" dragged on and the murders continued until trace-evidence specialist Faye Springer entered the case.
	www.amazon.com /exec/obidos/tg/detail/-/0684807084?v=glance (1357 words)

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