Category Archives: Gas Chromatography

Permalink to Does your attorney really understand DUI testing?

Does your attorney really understand DUI testing?

DUI blood testing is very complex.  There are specific scientific procedures which need to be followed in order to produce a valid result.  The only way to challenge the result is to know the science behind the tests better than the state experts. This is the big question that you must ask yourself about your […]

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Permalink to Introduction to Gas Chromatography  Training Video

Introduction to Gas Chromatography Training Video

Gas chromatography (GC) is widely used in criminal cases whether it is to determine blood alcohol results, detect levels of drugs in the system or to identify whether or not that white powder is indeed cocaine.  Therefore, it is very important for criminal defense lawyers to be well-educated in  GC and be able to understand […]

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Permalink to April’s Fools: On April 1, 2014 Pennsylvania becomes a notice and demand state

April’s Fools: On April 1, 2014 Pennsylvania becomes a notice and demand state

On February 19, 2014, effective April 1, 2014, upon the joint recommendation of the Criminal Procedural Rules Committee and the Committee on Rules of Evidence, the Supreme Court adopted new Pennsylvania Rule of Criminal Procedure 574 to provide procedures for the admissibility of forensic laboratory reports in lieu of expert testimony. Click for Order Click […]

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Permalink to How a Lawyer-Scientist DUI Lawyer can Help: The toxicology of the Justin Bieber case

How a Lawyer-Scientist DUI Lawyer can Help: The toxicology of the Justin Bieber case

How a Lawyer-Scientist DUI Lawyer can Help: The toxicology of the Justin Bieber case There is a large difference between a DUI lawyer and a DUI Lawyer-Scientist. As I wrote before, I am not just a lawyer, not just a defense lawyer, but a trained Lawyer-Scientist. There are not too many of us out there, […]

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Permalink to The science of the Justin Bieber DUI case: How a lawyer-scientist can help

The science of the Justin Bieber DUI case: How a lawyer-scientist can help

The science of the Justin Bieber DUI case: How a lawyer-scientist can help [Updated on 26 January 2014 at 905 am EST entitled “The Problem with the Resisting Arrest without Violence charge.”] [Updated on 31 January at 1216 pm EST to include the TMZ link to the GPS records.] There are a lot of my […]

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Permalink to Justin McShane’s Qualifications in DUI Drug Cases

Justin McShane’s Qualifications in DUI Drug Cases

Not every attorney is equipped to defend DUI drug cases. In fact, almost none are.  Just because someone has a law license and therefore can represent you, doesn’t mean that he or she is competent to represent you. But who wants an attorney who is only competent?  Don’t you deserve the very best? There are […]

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Permalink to Introduction to Gas Chromatography

Introduction to Gas Chromatography

Have you ever wanted to learn about  Gas Chromatography? Well here is your chance! You can now watch the entire presentation I conducted in Dallas in The McShane Firm Video Library: Enjoy the presentation and share the knowledge!

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Permalink to How Much Blood is Actually Tested?

How Much Blood is Actually Tested?

One of the common misconceptions about DUI blood testing is that people think that an entire 10 ml vial of blood is tested.  It is not.  The actual amount tested can be seen in the picture below. (Note: There is a difference in the two vials.  Can you tell what it is?) The vial on […]

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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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