Category DNA

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… Continue Reading →

Pool of Blood Questioned as Bad Evidence

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… Continue Reading →

DNA On Victim’s Ankles Leads to Arrest

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… Continue Reading →

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… Continue Reading →

Cold Hit on a Vodka Bottle

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.

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