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Dayton DUI Attorney Charles Rowland > Posts tagged "pen test"

Ohio DUI Law: Failure to File a Motion To Suppress

Should You File A Motion to Suppress?In State v. Thomas, 2011-Ohio-1987 (2nd Dist. Ct. App. 2011), the Defendant was convicted of felony OVI after a jury trial.  No motion to suppress was filed and it was determined during the jury trial that the officer wasn't sure whether he turned off his overhead lights during the horizontal gaze nystagmus portion of the standardized field sobriety tests, but stated that it was normal to do so.  An argument exists that doing the test in this manner should result in suppression of the test as the phenomenon of optokinetic...

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Rowland Earns Forensic Sobriety Assessment Certification

This month, Charles M. Rowland II was re-certified as Ohio's only DUI attorney credentialed in Forensic Sobriety Assessment.  "FSA certification requires working knowledge of the scientific principles and research relating to sobriety testing in a DWI / DUI stop, including:The scientific literature on indications of intoxication such as red eyes and slurred speach NHTSA's Standardized Field Sobriety Tests (SFSTs) Testing concepts: Reliability and validity Diagnostic statistics: False positive rates, sensitivity, specificity, etc. Experimental design issues relevant to sobriety test studies Statistical concepts such as correlation, statistical significance, and effect size Visual science pertaining to the Horizontal Gaze Nystagmus (HGN) ...

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