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Article • September 1, 2023 • from CLN September, 2023
Filed under: junk science
Forensic Benefits of a Body Farm Facility by Jordan Arizmendi by Jordan Arizmendi Abody farm is often an indispensable tool for investigators. A body farm is a facility that focuses on the details of human decomposition. Such an essential tool allows forensic scientists to study the decomposition process in a controlled …
Article • September 1, 2023 • from CLN September, 2023
Arizona Blowfly Database Develops Empirical Support for Time of Death Estimation by Anthony Accurso by Anthony W. Accurso A research project in Arizona seeks to develop support for a method of determining time of death by cataloging information about blowfly species. The gases emitted by a corpse can attract nearby …
Article • August 1, 2023 • from CLN August, 2023
Research on Persistence of Touch DNA Will Help Investigators Collect More Usable Samples by Jo Ellen Nott by Jo Ellen Nott The National Institute of Justice (“NIJ”) is the research, development, and evaluation agency of the U.S. Department of Justice. Its motto, “strengthen science, advance justice,” informs all its activities. …
Article • August 1, 2023 • from CLN August, 2023
Forensic Genetic Genealogy Has Solved 545 Cases – and Counting by Douglas Ankney by Douglas Ankney According to Tracey Leigh Dowdeswell, forensic genetic genealogy (“FGG”) has solved 545 cases as of December 31, 2022. Dowdeswell is a professor of criminology and legal studies at Douglas College in Canada and is …
Article • May 29, 2023
Secondary DNA Transfer: Little Known Phenomenon That Puts You at a Crime Scene You’ve Never Visited and Places a Murder Weapon You’ve Never Touched in Your Hand by Miles Dyson by Miles Dyson In 2008, European authorities were hot on the trail of a highly prolific serial killer and burglar. …
Article • May 15, 2023 • from CLN June, 2023
Filed under: junk science, Firearms
The Evolving Science, Skepticism, and Limited Evidentiary Value of Firearm and Toolmark Identification by Douglas Ankney by Douglas Ankney In People v. Kirschke, 53 Cal.App.3d 405 (1975), a firearm and toolmark identification (“FTI”) expert testified for the prosecution “that an evidence bullet had been fired by a particular firearm and …
Article • May 15, 2023 • from CLN June, 2023
by Eike Blohm, MD FATAL ENCOUNTERS WITH POLICE OCCUR in the U.S. with disturbing frequency, setting us apart from other Western industrial nations. A recent study published in the Annual Review of Criminology explores the drivers behind this American exce by Jordan Arizmendi by Jordan Arizmendi In a study by …
Article • May 14, 2023
The Persistence of Polygraph Tests: A Misguided Reliance on Junk Science by The use of polygraph tests, despite their well-documented flaws and dubious scientific validity, continues to persist in various sectors of society. These so-called lie detectors have long been criticized as unreliable and prone to producing false results, yet …
Article • May 12, 2023
5 Facts About DNA and Wrongful Convictions by Miles Dyson by Miles Dyson In the pursuit of justice, the role of DNA evidence in criminal cases cannot be overstated. Over the years, groundbreaking advancements in DNA technology have revolutionized the criminal justice system, shedding light on cases plagued by wrongful …
Article • May 6, 2023
Raising Doubts and Wrongful Convictions: The Troubling Legacy of Bite Mark Analysis in the Legal System by The use of bite mark analysis as evidence in courtrooms has left a lasting imprint on the criminal justice system, but its credibility and scientific validity are now subject to growing skepticism. As …
Article • May 6, 2023
Filed under: junk science
The Proliferation of Junk Science in Forensics: A Systemic Spread by The dissemination of junk science within forensics and law enforcement follows discernible patterns. Frequently, the origins of such flawed methodologies can be traced back to individuals who develop forensic techniques based on limited experience and data. Once these techniques …
Article • April 15, 2023 • from CLN May, 2023
How Junk Science Helped Kill Tyre Nichols by Eike Blohm, MD By Eike Blohm, MD The militarization of American police is based on decades-old flawed pseudoscientific studies. The consequences are the deaths of unarmed civilians like Tyre Nichols. In 1989, a pivotal study entitled “Killed in the Line of Duty” …
Article • April 9, 2023
Forensic Re-creations of Police Abuse and Landmark Settlements Thanks to That Cell Phone in Your Pocket by by Jordan Arizmendi Chances are, if you are reading this article, you are well acquainted with the ways in which technology, like facial recognition and cell phone location tracking, strip away our civil …
Article • March 16, 2023
911 Call Analysis Debunked as Pseudoscience – But It Helped Send Many to Prison by Kevin Bliss by Kevin W. Bliss The 911 call analysis method used to convict hundreds of defendants for the past decade has been debunked as pseudoscience. Civil rights activists call to have prosecutors held responsible …
Article • March 15, 2023 • from CLN April, 2023
Filed under: junk science
An Argument Without Teeth: The Flawed Science of Bite Mark Analysis by Eike Blohm, MD by Eike Blohm, MD A review published by the National Institute of Standards and Technology (“NIST”) found that forensic bite mark analysis lacks sufficient scientific foundation. Adult humans have 32 teeth but only the foremost …
Article • February 15, 2023 • from CLN March, 2023
Was the DNA at the Crime Scene Left by the Perpetrator – or by a Pet? by Douglas Ankney by Douglas Ankney Collaborating with the Victoria Police Forensic Services Department, forensic science researcher and Ph.D. candidate Heidi Monkman, along with Dr. Mariya Goray – both from the College of Science …
Article • February 15, 2023 • from CLN March, 2023
They Called 911 for Help. Police and Prosecutors Used a New Junk Science to Decide They Were Liars. by Brett Murphy by Brett Murphy, ProPublica Tracy Harpster, a deputy police chief from suburban Dayton, Ohio, was hunting for praise. He had a business to promote: a miracle method to determine …
Article • January 15, 2023 • from CLN February, 2023
Filed under: junk science
The Debunking of Forensic Science: A Decade of Increased Scrutiny Reveals Forensic Processes Prone to Bias and Error by Casey Bastian by Casey J. Bastian When a crime is committed, it is vital that the actual perpetrator be identified and held accountable. However, that process is not always straightforward. Every …
Article • January 15, 2023 • from CLN February, 2023
Traditional Forensic Ballistics Comparisons Giving Way to Virtual 3D Methods by Casey Bastian by Casey J. Bastian Forensic experts have been conducting ballistics comparisons and presenting their testimony in courts for more than 100 years. Experts frequently imply that accurately identifying that a specific gun fired a particular bullet is …
Article • January 15, 2023 • from CLN February, 2023
California Court of Appeal: Kill-Zone Theory Principles Articulated in Canizales Are Retroactive to Judgments That Were Final at Time of Decision by Jacob Barrett by Jacob Barrett The Court of Appeal of California, Fourth Appellate District, reiterated the kill zone theory principles set forth by the California Supreme Court in …
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