Chicago Forensic Analyst’s Tests Called Into Question

A former forensic lab analyst, whose tests were invoked in a number of convictions, has been partially discredited. Pamela Fish often told the court that her tests were inconclusive rather than exclusionary. Her lab notes indicate that many of her tests were actually exclusionary. This discrepancy played a key role in a number of convictions, […]

Texas Reviews DNA Mixtures Cases

The Texas Forensic Science Commission announced a statewide effort to review almost 25,000 convictions involving evidence of DNA “mixtures”–DNA samples from multiple sources–dating back to 1999, as reported on this blog in September.  (The actual number of convictions ultimately in question may be twice that.)  The review was prompted when the FBI moved to a […]