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tests as applied by the FBI could cause confusion and misinterpretation when transmitted to prosecutors or when explained to a trial jury. Because of the significance of this weakness, the report concluded that the analysis should be used with caution. This report helped the FBI decide in 2004 to
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to identify trace elements in the bullets). The report also concluded that the seven trace elements selected for the analyses (arsenic, antimony, tin, copper, bismuth, silver and cadmium) are acceptable for sample correlation. The report finally concluded that the procedure is the best available
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In 2004 the Board's study was summarized in "Forensic
Analysis: Weighing Bullet Lead Evidence." The Board determined that the chemical analyses were being performed correctly and were probably sufficient to determine correlation between two bullets from separate sources (the analysis used
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On 17 December 2008, Jimmy Ates was released from a
Florida prison after serving ten years on the conviction of having murdered his wife, a conviction obtained largely on the strength of a bullet-lead analysis. His conviction was overturned as a consequence of the 2004 report.
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conducted about 2,500 analyses on cases submitted by law-enforcement groups. The results of these analyses had often been questioned by defence lawyers and the press, so the FBI finally asked the
254:"FBI's Forensic Test Full of Holes: Lee Wayne Hunt is one of hundreds of defendants whose convictions are in question now that FBI forensic evidence has been discredited"
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Randich, Erik; Duerfeldt, Wayne; McLendon, Wade; Tobin, William (2002). "A metallurgical review of the interpretation of bullet lead compositional analysis".
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voluntarily cease offering the analysis to law-enforcement entities. The
National Academy of Sciences never required that the FBI stop using the test.
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has fought releasing the list of the estimated 2,500 cases over three decades in which it performed the analysis, which may have led to
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examined the unreliability of this technique. It has been discontinued as of
September 1, 2005.
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187:"Discredited bullet evidence: 5 years in, FBI still hasn't finished review of 2,500 cases"
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304:"FBI Laboratory Announces Discontinuation of Bullet Lead Examinations"
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to ones possessed by suspects on the theory that each batch of
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306:(Press release). FBI National Press Office. September 1, 2005.
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213:"Board's Report Leads to Overturn of Murder Conviction"
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63:in 1963. From the early 1980s through 2004 the US
97:CNN Presents Encore Presentation: Reasonable Doubt
75:to research the scientific merit of the process.
73:Board on Science, Technology, and Economic Policy
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84:method for such correlations. The greatest
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69:United States National Academy of Sciences
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211:Bohaty, Rochelle F. H. (March 2, 2009).
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189:. www.cleveland.com. December 29, 2009.
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30:, is a now discredited and abandoned
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81:plasma-optical emission spectroscopy
52:The technique was first used after
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252:Solomon, John (October 18, 2007).
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28:compositional bullet-lead analysis
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20:Comparative bullet-lead analysis
329:Federal Bureau of Investigation
218:Chemical & Engineering News
65:Federal Bureau of Investigation
49:had a unique elemental makeup.
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151:Forensic Science International
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163:10.1016/S0379-0738(02)00118-4
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88:in the report was that the
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227:10.1021/cen-v087n009.p032
16:Former forensic technique
324:Overturned convictions
34:technique which used
334:Forensic techniques
281:. CNN. May 7, 2006
108:false convictions
26:), also known as
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57:John F. Kennedy
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339:Comparisons
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38:to link
32:forensic
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43:bullets
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175:S2CID
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