• Home
  • Posts Tagged'forensic science'

Posts Tagged ‘forensic science’

Are Drug Dogs Unreliable? Yes!

“Are Drug Dogs Unreliable? Yes!” by John F Hays, a Seattle Private Investigator.

The Washington Post just published an article that says that the science on the subject indicates “that drug dogs have disturbingly high rates of ‘false alerts’, sometimes with error rates well above 50 percent”. The article indicates that drug dogs can be deliberately or inadvertently influenced by their handlers. If this is true, the validity of evidence developed from the use of these dogs is questionable, at best. This should be the subject of a lot of discussion in the criminal justice system, especially in the criminal defense sector.

Check these links and others (in the article) collected by Radley Balco, the author of the above noted Washington Post article.

“The Mind of a Police Dog”

“NHP Troopers Sue…”

“Police Dog Named “Bono”…”

“Illinois State Police Drug Dogs…”

Tribune analysis: Drug-sniffing dogs…

“Handler beliefs affect…”

 

 

Bite Mark Analysis Fair Basis For Criminal Conviction?

Bite Mark Analysis Fair Basis For Criminal Conviction? by: John F Hays, a Seattle Private Investigator.  

A forensic dentistry methodology known as bite mark analysis came up in the news today. The story is about a former Akron, Ohio, police captain who has spent 14 years in prison for allegedly murdering his wife. It appears that bite mark analysis was the sole evidence supporting the charges against him. The Ohio Innocence Project is working to get him exonerated.

The story raises an obvious question in my mind. How can evidence derived from a very controversial forensics methodology be used to convict a person of a crime with no other evidence to support the charges? It seems to me that the the controversial nature of the methodology should raise the “reasonable doubt” question in our innocent-until-proven-guilty criminal justice system.

Until the controversy is resolved, no one should be convicted solely on bite mark analysis.

http://science.howstuffworks.com/forensic-dentistry4.htm

http://en.wikipedia.org/wiki/Forensic_dentistry#Bite_mark_analysis

http://articles.chicagotribune.com/2011-12-25/news/ct-met-bitemark-lawsuit-20111225_1_bite-mark-evidence-wrongful-convictions-dna-evidence

http://www.sciencedaily.com/releases/2009/09/090916123515.htm

 

 

National Association of Criminal Defense Lawyers Forensic Science Meeting 2012

The National Association of Criminal Defense Lawyers – Forensic Science Meeting 2012 will be held in Las Vegas on March 23rd to March 24th at the Cosmopolitan Hotel. For more information please see their website.

NACDL & CACJ’s 5th Annual Forensic Science Seminar will be a two-day event in the City of Lights—Las Vegas! In the modern world, you need to know and understand the forensic sciences in order to effectively represent your clients. Attend this one-of-a-kind CLE seminar and leave with a better yevo understanding of forensic evidence and technology to use in the arsenal of tools to win your next case. If it involves forensic evidence or technology in a criminal case, it will be covered at this one-of-a-kind seminar.

This year’s seminar topics include:

-The Amanda Knox Case: What Role Did DNA Transfer and Contamination Issues Play?
-Fighting the Prosecution’s “Fantasy of Forensics”
-State of NC v. Gregory: A Case Study
-Mental Defenses
-Cognitive Interview Techniques, Signs of Deception, and Forensic Artistry
-Bloodspatter Evidence for Lawyers
-Working with Forensic Experts
-Trends and Tips in Computer Forensics Discovery Prerequisites
-Forensic Evidence in Sexual Assault Cases
-The Science of Eyewitness Identification
-Burning Down the House: Defending Accusations of Arson
-Pharmacology for Lawyers
-The Role of the Forensic Pathologist in the Criminal Justice System
-DNA: From Basics to Advanced

 
© 2012 HSI Investigations, A Seattle Private Investigator