Lecture on Analytical Chemistry in BAC testing Part 4

Lecture on Analytical Chemistry in BAC testing Part 4

The above is Part Four from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”. This seminar happened on February 26, 2010. It was organized and hosted by John K. Fanney, Esquire of Fanney & Jackson, P.C. The following is a transcript of this video: Now, […]

Lecture on Analytical Chemistry in BAC testing Part 3

Lecture on Analytical Chemistry in BAC testing Part 3

The above is Part Three from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”. This seminar happened on February 26, 2010. It was organized and hosted by John K. Fanney, Esquire of Fanney & Jackson, P.C. The following is a transcript of this video: What […]

Lecture on Analytical Chemistry in BAC testing Part 2

Lecture on Analytical Chemistry in BAC testing Part 2

The above is Part Two from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”.  This seminar happened on February 26, 2010.  It was organized and hosted by John K. Fanney, Esquire of  Fanney & Jackson, P.C. The following is a transcript of this video: I […]

Urine testing ain’t worth piss

Urine testing ain’t worth piss

Sorry for the title of the blog, but I wanted to get attention of potential readers. Almost as on queue with the prior post on “Pseudoscientists and snake oil salesmen in modern forensic science”, Minnesota launches itself into controversy.  Please watch the below so we can discus. Ok.  Trying to use first void urine as […]

Lecture on Analytical Chemistry in BAC testing Part 1

Lecture on Analytical Chemistry in BAC testing Part 1

The above is Part One from a lecture given by Attorney Justin J. McShane before the North Carolina Advocates for Justice “Advanced DWI Seminar”.  This seminar happened on February 26, 2010.  It was organized and hosted by John K. Fanney, Esquire of  Fanney & Jackson, P.C. The following is a transcript of this video: My […]

CRMs:  Reference materials and standards

CRMs: Reference materials and standards

Before we had blogged on the importance of metrology and uncertainty reporting as well as advancing (or rather inching) towards ISO 17025.  Part of the integrity of any sort of testing of unknowns has to do with the veracity of the sources of knowns against which the unknowns are compared.  For if we do not […]

Hidden sources of error in forensic science

Hidden sources of error in forensic science

“It’s the little things that kill”–Bush OK… The band Bush may not be the greatest rock band ever, but their lyric above is indeed remarkable. In forensic science, it is very true that it is the little things that kill. Three of the most often overlooked and hidden sources of analytical error are the “little […]

What constitutes a “match” in forensic science?

What constitutes a “match” in forensic science?

The concept of a match at first look blush seems rather elemental.  However, if we really were to think of it, the concept is indeed fungible.  In forensic science, there is no universally held definition across all disciplines or even within a disciple as to what constitutes sufficient similarity to evoke that coveted and magic […]