It takes a great deal of preparation and knowledge to cross-examine a forensic expert in a DUI case.

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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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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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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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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The PA DUI Attorneys at The McShane Firm are experts in DUI blood testing.

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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