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Articles Posted in DUI/OVI blood/breath/urine tests

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What Does It Mean To “Witness” A Urine Sample In Ohio DUI / OVI Cases?

  Most police officers probably do not go to work hoping to witness a suspect provide a urine sample. It’s likely not one of those things they go home and share with their family and friends. But it’s one of those things Ohio law requires in OVI cases. If a…

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Cleaner Can Contaminate Breath Tests In Ohio DUI / OVI Cases

Clean hands is an obsession for some people.  In addition to frequent hand-washing, many people also use alcohol-based hand sanitizers. Aside from the potential issues with dry skin and weakened immune system (not to mention OCD!), use of hand sanitizers can also affect the results of a breath alcohol test.…

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Court Downplays Importance Of Breath Tester Reliability In Ohio DUI / OVI Cases

When a machine is given the power to convict a person of a crime, we should be absolutely certain the machine is working properly. In Ohio, machines are used to measure the concentration of alcohol in the breath of drivers. A driver who operates a vehicle with a breath alcohol…

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What Happens When Two Tests Give Different Results In An Ohio DUI/OVI?

Joe was arrested for DUI / OVI, and the officer had Joe take a breath test and a urine test.  The breath test showed an alcohol level under Ohio’s limit, and the urine test showed an alcohol level over Ohio’s limit.  Based on the urine test result, Joe was prosecuted…

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Breath Alcohol Tester From ‘Shark Tank’ Settles FTC Complaint

A smartphone app for breath-alcohol-testing was so promising that all five investors on Shark Tank collaborated on a deal for the first time.  In 2013, Charles Yim went on the show and pitched his app to the Sharks.  The Sharks collectively invested $1 million in Yim’s company Breathometer, Inc. for…

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Calibrating Breath Testing Machines In Ohio DUI/OVI Cases

Over 20,000 DWI cases in New Jersey are being called into question due to problems with the recalibration of breath-testing machines.  According to New Jersey 101.5, Sgt. Marc Dennis skipped a critical step each time he recalibrated the machines.  Plaintiffs in a class-action lawsuit now seek to vacate thousands of…

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Can We Trust Crime Lab Results In Ohio DUI/OVI Cases?

Today’s report regarding the conduct of a forensic scientist employed by the state of Ohio demonstrates the danger of the government enforcing laws without effective checks and balances.  Forensic scientist G. Michele Yezzo worked for over 30 years as a laboratory technician for the Ohio Bureau of Criminal Investigation (BCI). …

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U.S. Supreme Court Decides Constitutionality Of Warrantless Blood Tests And Breath Tests In DUI Cases

Last week, the United States Supreme Court released a decision in a trio of cases involving DUI refusal laws.  A previous article in this blog gives a preview of the cases.  To decide the outcomes of those cases, the court analyzes whether search warrants are required before law enforcement officers…

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Ohio DUI/OVI Refusal Law May Be Affected By Cases In U.S. Supreme Court

Suppose a police officer comes to your home tonight without a warrant and wants you to consent to a search of your residence. If you are like most people, you would say ‘no’: you would assert your Fourth Amendment right to be free from unreasonable searches and seizures. Now suppose…

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Person Medically Incapable Of Urinating Is Not ‘Refusing’ The Test

A judge in Columbus, Ohio found a man to be in violation of probation because the man was unable to urinate upon request.  The judge was aware the defendant, Mr. Hand, had medical problems which caused urinary difficulties and was taking medication designed to increase his urination.  Nevertheless, the judge…

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