Tag Archives: Gas Chromatography

Permalink to Katy Kennedy writes published in Understanding DUI Scientific Evidence

Katy Kennedy writes published in Understanding DUI Scientific Evidence

Congratulations to Attorney Katy Kennedy of The McShane Firm who recently was published in the widely respected book Understanding DUI Scientific Evidence. She authored chapter 6 entitled “A Basic Overview of Headspace Gas Chromatography”. Gas Chromatography is the scientific method which is used in DUI blood testing.  To effectively defend DUI cases, an attorney must go […]

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Permalink to Training to be the Best

Training to be the Best

Our regular readers know that I place a lot of emphasis on advanced DUI training and lecturing. In 2011 I spent over 600 hours in training seminars and will top that again this year.  That’s the equivalent of 3 months solid of training.  There is no DUI lawyer in PA who spends this much time […]

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Permalink to Attorney McShane to Speak at NCDD Summer Session

Attorney McShane to Speak at NCDD Summer Session

I recently received confirmation from the National College for DUI Defense (NCDD) that I have been selected to present at the 2012 NCDD Summer Session which is held every year on the campus of the Harvard University School of Law.  My topic is on “Basic Gas Chromatography for Blood Alcohol Content”. The NCDD Summer Session […]

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Permalink to Challenging DUI Blood Evidence Part 5: Cross-Examining Forensic Experts

Challenging DUI Blood Evidence Part 5: Cross-Examining Forensic Experts

One question young, ambitious lawyers often ask me is, “how do you effectively cross-examine forensic experts?”  Cross-examining the prosecution’s experts is one of the most important stages in a DUI case because if that “expert” testimony is left unchallenged, the blood alcohol reading or the drug concentration result will be accepted and most certainly will […]

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Permalink to Challenging DUI Blood Evidence Part 4: Sources of Error in Blood Testing

Challenging DUI Blood Evidence Part 4: Sources of Error in Blood Testing

Being able to challenge DUI blood evidence effectively is one of the ways The McShane Firm separates itself from the rest of the crowd in Pennsylvania.  Our attorneys are experienced at exposing the weaknesses in the government’s case and challenging its evidence.  DUI blood testing inherently has a number of sources of error that can […]

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Permalink to Challenging DUI Blood Evidence Part 3: Testing for Drugs

Challenging DUI Blood Evidence Part 3: Testing for Drugs

In Pennsylvania DUI cases, blood testing evidence holds a place of great importance because its results are normally seen as accurate and scientific. Prosecutors think that blood evidence is without flaw. This is far from true.  In this series, Challenging DUI Blood Evidence, we offer a simple yet comprehensive look at blood testing in DUI […]

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Permalink to Challenging DUI Blood Evidence Part 2: How Blood is Tested

Challenging DUI Blood Evidence Part 2: How Blood is Tested

In our on-going series on DUI blood testing, we aim to educate our readers to help them understand the evidence collected against them.  Today we examine How Blood is Tested for DUI Cases. When it comes to blood testing for DUI cases they come in two types and then sub-types. The first category depends upon […]

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Permalink to Challenging DUI Blood Evidence Part 1: Introduction

Challenging DUI Blood Evidence Part 1: Introduction

In my years as a PA DUI Attorney, I have learned that the ability to challenge DUI blood evidence is a vital skill that can help win many cases.  This is because there is a common myth that DUI blood testing is accurate and precise.  Prosecutors treat it as if it is the “Holy Grail […]

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Permalink to Attorney McShane Co-writes Amicus in Supreme Court Win

Attorney McShane Co-writes Amicus in Supreme Court Win

The Supreme Court Announces its Decision in Bullcoming v. New Mexico in Favor of the Petitioner The Supreme Court of the United States has reversed the decision in the case of Bullcoming v. New Mexico siding with the argument that the prosecution using a surrogate forensic analyst who was not involved in the actual testing […]

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Permalink to PA DUI Attorney: Recent DUI Lectures

PA DUI Attorney: Recent DUI Lectures

As a respected DUI attorney, I have been invited to many DUI training seminars to share my knowledge, particularly in the area of DUI blood testing. Gas Chromatography is the process used to measure blood alcohol content (BAC) and is considered by many prosecutors to be “invincible” and an “automatic conviction.” That is because most […]

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