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Dayton DUI Attorney Charles Rowland > Posts tagged "dui defenses"

Retrograde Extrapolation: The Rising Alcohol Defense

Retrograde Extrapolation: The Rising Alcohol Defense Retrograde extrapolation is the scientific and mathematical process used by chemists and toxicologists to estimate what a person’s blood alcohol content was at a specific time based on test results obtained at a later period of time. For the DUI case, it is used to determine whether or not a driver had a BAC of 0.08 or higher at the actual time of driving based on what the BAC was at the time of testing.Typically, we encounter retrograde extrapolation in cases where the collection of blood evidence is collected hours after the act of driving...

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DUI Attorney Strategies – Know The Science!

Here is a tool that every DUI attorney should have in their arsenal.  It is a study entitled, Absorption, Distribution and Elimination of Alcohol: Highway Safety Aspects and it has a number of facts that a jury should know:The time that elapses between the driving of the car and the time of the chemical test can produce significantly different blood alcohol concentrations. The time that passes from the end of the alcohol intake until the peak alcohol concentration varies from 14 to 138 minutes in one study, to 12 to 166 minutes in another study. It is impossible to convert the alcohol concentration of...

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Top 10 Defenses to an Ohio OVI

When people need an Ohio OVI Attorney, the biggest challenge is knowing whether or not an attorney truly has the skills, knowledge, training, tools, resources, and strategies that are needed to successfully resolve and win drunk driving cases. Countless attorneys handle impaired driving cases,  but only a very small percentage have the skills, knowledge, training, tools, resources, and strategies that are needed to successfully resolve and win cases. Unfortunately for the public, even attorneys who have been practicing law for many years and devote a significant portion of their practice to OVI law, often don’t have the skills, knowledge, training,...

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Forced Blood Draw In Ohio (What Happens After Missouri v. McNeeley?)

What is the status of Ohio's forced blood draw law [R.C. 4511.191] following the decision in Missouri v. McNeeley, 2013 U.S. LEXIS 3160 (2013).In Missouri v, McNeely, the United States Supreme Court ruled that a nonconsensual warrantless blood draw violates a person’s right to be free from unreasonable searches and seizures under the 4th Amendment to the Constitution. The McNeely decision raises some questions for search warrants in OVI cases. Some of the questions include (1) Did this decision invalidate the implied consent laws? and (2) Are search warrants required for every DUI arrest before a forced blood draw can be taken from...

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Ohio DUI Law: The Hematocrit Defense

How bloody is your blood?  The hematocrit is the number expressing the cell volume of blood (the size and number of red blood cells in proportion to the rest of the blood).  As humans, we all have a natural variation in our hematocrit.  Healthy men have a natural variance from 40.7% to 50% and healthy women have a natural variance from 36.1% to 44.3%.  The hematocrit level is a moving target.  Illness, hydration and stress can cause variations in the hematocrit level.The hematocrit level affects all breath tests by governing how much alcohol may be contained in the blood and,...

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