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,… Read More Chicago Forensic Analyst’s Tests Called Into Question
Larry Thompson was convicted in 1994 of killing Ron Johnson. The state primarily relied on two pieces of evidence 1) witnesses who testified to observing the murder or then hearing the defendant talk about the murder, and 2) a pool of blood found with the body. Now Thompson’s defense team is calling both pieces of evidence… Read More Pool of Blood Questioned as Bad Evidence
Police discovered the victim’s body 8 months ago. The evidence suggested that the victim had been drug into the wooded area and then shot multiple times. The police took samples from the victims ankles, which matched with Jesus Luna Jr., who was arrested last week. It took six months for the submitted DNA to generate a… Read More DNA On Victim’s Ankles Leads to Arrest
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… Read More Texas Reviews DNA Mixtures Cases
From Birmingham, AL, a story about a cold hit in a previously unsolved armed robbery – to a profile from a vodka bottle that the culprit had taken a swig from.