Houston Lab Introduces Blind Quality Controls for Toxicology

Last year, city officials officially closed the Houston Police Department Crime Laboratory and created in its place an independent forensic lab called the Houston Forensic Science Center.  The new lab caused quite a stir at national meetings in Washington recently when it announced that it would begin blind quality control testing in its toxicology section.  Blind quality control is […]

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 […]