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Appellant denied post-conviction DNA testing due to a lack of factual assertions in his petition

In 2009, Pedro Trejo was convicted of sexually assaulting his niece who was 12 years old at the time of the crime. He was accused after his niece got pregnant and subsequently suffered a miscarriage. The tissue form the miscarriage… Continue Reading →

Man convicted of rape uses 1983 suit to try to get DNA testing in his case

William Ray Jacobs was convicted by jury trial of aggravated sexual assault in 1997. He was sentenced to life imprisonment. Jacobs failed to get relief from his conviction through appellate and habeas proceedings, and in these proceedings, the state contended… Continue Reading →

The Dookhan Mess

The Boston Globe describes why the Massachusetts drug-lab mess persists.  “Incredibly, more than four years after Dookhan’s crimes were first uncovered… Thousands of those whose lives were affected haven’t been notified of their rights, including the possibility of a new… Continue Reading →

Researchers in Genomics hope to be able to recreate a person’s physical characteristics based on a DNA sample

Currently, DNA profiles only provide certain markers of identity in a graph-like format but tell little about the suspect himself. Researchers in Genomics hope to be able to tell criminal investigators physical characteristics and traits of suspects based on their… Continue Reading →

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… Continue Reading →

Boston Review examines the tension between forensic science and other branches of science

This article examines the flaws of many forensic science techniques in that forensic science often relies heavily on the individual judgment of examiners, is subject to the analysts’ bias, and is in tension with other sciences in that it seeks… Continue Reading →

Political Gnashing of Teeth Over Bite Mark Evidence

On Monday, the Texas Forensic Science Commission met to discuss the future of bite mark evidence. The American Board of Forensic Odontology (ABFO), the organization that certifies dentists to analyze bite mark evidence, opposes any change that would completely exclude the… 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 →

DNA in Forensics: An Interaction of Technician Skill and Technology

Nathan Robinson discusses the recent turn of events to cause courts to second guess forensics. DNA has always been considered reliable, but when the skill of technicians and forensic scientists is called into question, what good is the technology? Read… Continue Reading →

Defendant fails to convince court that fingerprint expert’s opinions fell below Daubert standards

The defendant was charged with the federal offense of felon in possession of a firearm. The defendant sought to suppress the testimony of a fingerprint expert who opined that that “the likelihood of obtaining a fingerprint of comparable value on a… Continue Reading →

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