FBI notifies crime labs of errors used in DNA match calculations since 1999

by jeeg 4. June 2015 23:14
  The FBI has notified crime labs across the country that it has discovered errors in data used by forensic scientists in thousands of cases to calculate the chances that DNA found at a crime scene matches a particular person, several people familiar with the issue said. The bureau has said... [More]

D.C.’s new crime lab goes under the microscope

by jeeg 13. March 2015 22:56
  WHAT’S THE point of spending millions of dollars on a crime lab if people don’t trust its findings and won’t use it? That is one question D.C. officials should be asking in light of the unsettling revelation that the U.S. Attorney’s Office has stopped sending DNA ev... [More]

Report Details the Extent of a Crime Lab Technician’s Errors in Handling Evidence

by jeeg 5. December 2013 20:30
The crime lab technician mislabeled samples, using “the victim’s name instead of suspect’s name,” her evaluation said. Her supervisors disqualified her from testifying in court because of her inability to “explain and retain basic concepts.” Indeed, for a ... [More]

Mishandling of DNA Evidence Is Found in Over 50 Cases at Crime Lab

by jeeg 1. February 2013 19:56
The New York City medical examiner’s office said Thursday that it had discovered more than 50 cases in which it failed to upload critical DNA evidence samples from crime scenes to the state’s DNA database, preventing those samples from being compared to genetic material from convicte... [More]

Weak DNA evidence could undermine justice, experts say

by jeeg 6. July 2012 00:03
When Cook County prosecutors brought Cleveland Barrett to trial earlier this year for the predatory criminal sexual assault of a 9-year-old girl, they presented the jury hearing the case testimony from the alleged victim plus the kind of evidence that long has won convictions with its scientific... [More]
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