Fingerprints can be recovered from fired bullets


	Fingerprints can be recovered from fired bullets

righthand

6-3-2008 6:39 PM

448 views

tags:

weapons, science, research, police

2 Comments |

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6-4-2008 6:08 AM

ofcapri

Technology is a wonderful thing.

6-4-2008 11:10 AM

skwirlinator

As long as the evidence isn't thrown in the ocean or a tub of saltwater

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/6959ad77-feea-4c2c-8f5b-414c7912d0f2/E88FD217-1618-4765-912F-DB20445FB39B/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews" href="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews" style="font-size: 11px;">www.guardian.co.uk</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews"><IMG height="276" width="460" alt="BAAs plans to fingerprint all passengers arriving at Heathrow Terminal 5 have been scrapped because of data protection concerns" src="http://image.guim.co.uk/sys-images/Guardian/Pix/pictures/2008/03/26/fing460.jpg" />
				  <P class="caption">Photograph</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews"><DIV id="header"><DIV id="zones-nav"><DIV id="nav-bar"><DIV id="crumb-nav"><UL><LI id="crumb3"><A name="&lid={crumbNavigation}{Forensic science}&lpos={crumbNavigation}{3}" href="http://www.guardian.co.uk/science/forensicscience" class="first-end">Forensic science</A></LI>
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<H1 class="article-no-standfirst" id="heading-alone">Forensics: Fingerprints can be recovered from fired bullet casings</H1></DIV></DIV></DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews">Scientists have developed a technique for retrieving fingerprints from bullet casings and bomb fragments after they have been fired or detonated. The new method, which relies on subtle corrosion of metal surfaces is already being applied for the first time anywhere in the world by two British police forces</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews">The patterns of corrosion remain even after the surface has been cleaned, heated to 600C or even painted over. This means that traces of fingerprints stay on the metal long after the residue from a person's finger has gone</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews">"All other conventional techniques that the police anywhere in the world would use require some kind of either physical or chemical interaction with the fingerprint residue. So for example if you are using powder the powder sticks to the tackiness in the sweat,"</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews">chemical basis of the change is not yet clear</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.guardian.co.uk/science/2008/jun/03/fingerprints.bullets?gusrc=rss&feed=worldnews">Bond believes it is corrosion by chloride ions from the salt in sweat</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/E88FD217-1618-4765-912F-DB20445FB39B/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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