News tagged with crime scene investigator
Preserving arson evidence with triclosan
A preservative in toothpastes, hand soaps, underarm deodorants and other everyday products is getting a second life, helping crime scene investigators preserve evidence of arson, scientists reported here today at the 243rd National M ...
Mar 26, 2012 |
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CSI: PCR-free techniques ID the most active microbes on the scene
Anyone who has watched one of the CSI: Crime Scene Investigation television shows knows that PCR (Polymerase Chain Reaction) is a technology used to amplify the tiniest samples of DNA into forensic evidence ...
Sep 21, 2011 |
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Before DNA: 20th-century forensics
Historians tend to see the birth of DNA fingerprinting in 1985 as a watershed in forensic investigation - the moment that gave birth to the systematic crime scene analysis we associate with TV programmes like ...
Sep 06, 2011 |
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Chemist contributes to development of novel method for recovering old fingerprints
A Northern Illinois University chemist is part of an international team of scientists whose work might someday crack open cold-case files.
Aug 03, 2011 |
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Physicists devise new way to analyze a bloody crime scene
Don't get him wrong: Fred Gittes is, in his words, "extremely squeamish."
May 24, 2011 |
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False positives rare from fingerprint examiners
In a controlled study, fingerprint examiners who determined that a crime scene-quality print matched a high-quality sample from the same individual were correct 99.8% of the time.
Apr 26, 2011 |
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X-rays show why van Gogh paintings lose their shine
Scientists using synchrotron X-rays have identified the chemical reaction in two van Gogh paintings that alters originally bright yellow colors into brown shades.
Chemistry / Analytical Chemistry
Feb 14, 2011 |
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Seeing the invisible: New CSI tool visualizes bloodstains and other substances
Snap an image of friends in front of a window curtain and the camera captures the people - and invisible blood stains splattered on the curtain during a murder. Sound unlikely? Chemists from the University of South Carolina ...
Chemistry / Analytical Chemistry
Nov 10, 2010 |
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Innovative approach to teaching forensics helps students track and solve crimes
A novel approach to teaching forensics at the University of Toronto Mississauga’s Forensic Anthropology Field School is using global positioning systems (GPS) and geographical information systems (GIS) to examine complex ...
Technology / Hi Tech & Innovation
Aug 13, 2010 |
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New technology keeps evidence close to the vest
(PhysOrg.com) -- Each day, law enforcement officials are faced with the daunting task of investigating complex crime scenes without compromising evidence. Investigators know the slightest error could jeopardize a conviction, ...
Jan 12, 2010 |
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Probing Question: Is forensic science on TV accurate?
Turn on the television any evening and you're apt to see a scene such as this: Five crime scene investigators, or CSIs, return to the crime scene at night to follow up on some leads. CSI Kathryn Willows looks ...
Dec 03, 2009 |
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Researchers rest their case: TV consumption predicts opinions about criminal justice system
People who watch forensic and crime dramas on TV are more likely than non-viewers to have a distorted perception of America's criminal justice system, according to new research from Purdue University.
Other Sciences / Social Sciences
Oct 28, 2009 |
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CSI in a virtual world: New grant furthers NC State's work in forensic science
Imagine using the same process that goes into building video games to help investigators solve real-world crimes. Through a new grant, that's what researchers at North Carolina State University plan to do. ...
Technology / Computer Sciences
Oct 08, 2009 |
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Faster, more cost-effective DNA test for crime scenes, disease diagnosis
Scientists in Japan are reporting development of a faster, less expensive version of the fabled polymerase chain reaction (PCR) a DNA test widely used in criminal investigations, disease diagnosis, biological ...
Chemistry / Analytical Chemistry
Jul 08, 2009 |
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