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Articles Posted in Chemical Testing

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Can a Driver in Illinois be Charged for Marijuana-Induced Impairment After a Fatal Crash?

While in many states, the use of marijuana for recreational or medicinal purposes is legal, a person may nonetheless be charged with a DUI for operating a vehicle while impaired because of the use of marijuana. The police must have grounds to arrest a person for a DUI, though, and…

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Michigan Probe into Contractor That Calibrates Breathalyzer Machines Called Into Question

In the majority of DUI investigations, the investigating officer will administer a breath test to the DUI suspect via a breathalyzer machine. Thus, the prosecution’s sole or primary evidence in many DUI cases are the results of a breath test. Accordingly, the results must be accurate. Recently, however, it came…

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Recent Cases Highlight Inconsistencies Regarding Miranda Rights in DUI Cases

It is a well-known fact that people taken into custody by the police must be advised of their right against self-incrimination via Miranda warnings. In some instances, however, an issue arises as to what constitutes a person being taken into police custody for purposes of evaluating whether incriminating statements should…

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Court Discusses When Results of a Blood Test are Admissible Under the Good Faith Exception to the Fourth Amendment

The United States Constitution grants individuals the right to be free from unreasonable search and seizure. Recently, the United States Supreme Court held this right to include the right to be free from warrantless blood tests, in Birchfield v. North Dakota. The Birchfield ruling did not permanently resolve the issue…

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Wisconsin Court Rules DUI Suspect Cannot Withdraw Consent to Chemical Testing After Blood is Drawn

Following the Birchfield ruling, if a person is arrested for suspicion of DUI the arresting officer can only conduct a warrantless blood test on the person if he or she consents to the test, otherwise it constitutes an unreasonable search and seizure in violation of the 4thAmendment of the United…

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Arizona Court Upholds DUI Conviction Despite Invalid Consent to a Blood Draw

The protections afforded by the Fourth Amendment of the United States Constitution prohibit the police from subjecting a person to an unreasonable search or seizure. In DUI cases, the right to be free from unreasonable searches and seizures has been interpreted to prevent the police from subjecting a person to…

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Georgia Court Rules that Evidence of a Refusal to Submit to a Breath Test is Inadmissible at DUI Trial

The laws regarding what evidence may be admitted at a DUI criminal trial continue to change throughout the country. In many states, including Illinois, the laws allow the State to introduce evidence of a defendant’s refusal to submit to a breath test as evidence of guilt at trial. Lately, however,…

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U.S. Supreme Court to Rule on Whether a Blood Draw from an Unconscious Driver is Unconstitutional

A hotly contested issue in DUI cases throughout the nation is whether a blood draw taken from an unconscious DUI suspect is unconstitutional. While the Appellate Court of Illinois recently held that a warrantless blood draw from an unconscious suspect who is not under arrest violates the suspect’s Fourth Amendment…

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