‘ FBI admits new errors in the scientific evidence used in criminal . This time, the Bureau announced a number of workshops all USA to have discovered errors in the data used by forensic experts in thousands of cases to make the calculation of the possibility that the DNA found in crime scenes was the same as suspects.
The news is apt revealed by Washington Post , according to which ‘ FBI feels that the errors have been committed at least since 1999, but they are probably not of a degree that may lead to a reversal of the results of the investigation.
The problem with a program software used by nine American laboratories out of ten, as he said Professor of Statistics Daniel Krane , the Wright University . Based on a calculation that establishes a possibility of error of one in a billion, rather than one in ten billion, the jury of a process could likely take similar decisions, but the scene changes if the possibility of error is calculated one in 180, said still Krane , citing as an example a case in which he was called to testify last week.
The FBI: 9 laboratories in 10 Americans have miscalculated
In a statement sent to forensic laboratories, the ‘ FBI he has written that the problem stems from “material errors in the transcripts of the genotypes and limitations of the old technology and software . “
However, now the lawyers want to learn more. Steve Mercer , head of the Forensic Division of the Office of the Ombudsman of Maryland, reports still Post , has made it known that he had suggested to his lawyers to consider the possibility of asking prosecutors to examine the problem in cases where DNA evidence is used.
Already in 2012 the ‘ FBI was initiated together with the Department of Justice Use a review of hundreds of cases of two decades before 2000 and in April had admitted that in over 95 percent of the 268 processes reviewed so far, 26 of the experts’ FBI of 28 gave wrong testimony in favor of the prosecution.
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