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Articles Posted in Blood Testing

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Warrantless Blood Draws in New Jersey DWI Cases, Part 1: Exigent Circumstances

New Jersey’s driving while intoxicated (DWI) statute allows law enforcement officials to obtain breath samples, for the purpose of measuring a suspect’s blood alcohol concentration (BAC), without a warrant. The Fourth Amendment to the U.S. Constitution requires police to obtain a warrant, supported by probable cause, before conducting a search.…

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New Jersey DWI Laws Unclear on “Driving While Stoned”

New Jersey’s driving while intoxicated (DWI) statute is not limited to impairment due to alcohol. The text of the statute also includes “narcotic, hallucinogenic or habit-producing drug[s]” as substances that could cause impairment. The statute specifies a measurable amount of alcohol in one’s system that creates a presumption of impairment,…

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Evidence in New Jersey DWI Cases, Part 3: Consciousness of Guilt

Under the laws of New Jersey, driving while intoxicated (DWI) is a motor vehicle offense, rather than a criminal offense. A DWI proceeding still resembles a criminal case in many ways. Just as in a criminal case, prosecutors have the burden of proving every element of the offense of DWI…

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Evidence in New Jersey DWI Cases, Part 2: Chemical Testing

The state has the burden of proving guilt beyond a reasonable doubt in New Jersey driving while intoxicated (DWI) cases. A defense attorney’s job, in part, is to identify defects or deficiencies in the state’s case. DWI cases often require a considerable amount of documentation. Under the DWI statute, a…

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New Jersey Appellate Court Reverses DWI Conviction Based on Warrantless Blood Draw

New Jersey’s driving while intoxicated (DWI) statute allows the state to prove that a defendant was impaired by alcohol with the results of blood alcohol content (BAC) testing. A BAC of 0.08 percent or higher creates a legal presumption of impairment. Police can determine BAC by testing a sample of…

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Few Consistent Legal Standards Exist for DWI Cases Involving Marijuana

The legal standards in New Jersey for proving impairment by alcohol in cases of alleged driving while intoxicated (DWI) are fairly well established. Prosecutors can offer evidence of a defendant’s alleged blood alcohol content (BAC), or they can introduce eyewitness and expert testimony. The DWI statute does not only apply…

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Defendant in New Jersey DWI Case Challenges Conviction of “Per Se” DWI

New Jersey law allows prosecutors to offer evidence of driving while intoxicated (DWI) in two ways. One way relies on evidence like testimony by police officers about outward signs of intoxication, including appearance and behavior. The second method involves evidence that a defendant’s blood alcohol content (BAC) was above a…

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Defendant Consented to Warrantless Blood Draw Shortly After Car Accident, New Jersey Court Finds

Under New Jersey’s driving while intoxicated (DWI) statute, a defendant is presumed to be legally impaired by alcohol if their blood alcohol content (BAC) is 0.08 percent or higher. Police in New Jersey commonly use a device known as the Alcotest to collect breath samples, which the device analyzes to…

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Appellate Court Ruling on Blood Testing for Drugs Likely to Affect New Jersey DWI Cases

Chemical testing for alcohol or drugs is a key component of most prosecutions for driving while intoxicated (DWI) in New Jersey. Breath testing is mandatory under state law, but the Alcotest and similar devices can only test for the presence of alcohol. If police suspect driving under the influence of…

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