Defense Strategies Against DUI Charges After Failing a Standardized Field Sobriety Test

 Posted on July 31, 2023 in Criminal Law

Facing a DUI charge can have serious consequences, but it is important to remember that failing a standardized sobriety test is not an automatic conviction. There are several defense strategies that skilled DUI attorneys can employ to challenge the validity and reliability of these tests. Today, we will explore potential defense strategies to consider when faced with a DUI charge after failing a standardized field sobriety test. 

Questioning the Test Accuracy

Standardized field sobriety tests, such as the walk-and-turn, one-leg-stand, and horizontal gaze nystagmus tests, rely on the subjective interpretation of the arresting officer. Many factors can influence these tests, including poor weather conditions, uneven terrain, physical health conditions, and the individual’s nervousness or anxiety. Challenging the reliability and accuracy of the test results is a potential defense strategy, often by presenting alternative explanations for the supposed signs of impairment. 

Challenge the Test Administration

Proper administration of standardized field sobriety tests is crucial to ensure accurate results. Police officers must adhere to specific guidelines and procedures mandated by the National Highway Traffic Safety Administration (NHTSA). Any deviation from these guidelines, such as inadequate instructions, improper demonstration of the test, or failure to consider relevant factors, can cast doubt on the test results and constitute a potential defense strategy. 

Lack of Probable Cause

A successful DUI arrest requires the presence of reasonable suspicion or probable cause. If an officer lacks sufficient evidence to pull over a driver or initiate a field sobriety test, it may be possible to challenge the legality of the arrest. By questioning the validity of the initial stop or highlighting any violations of the driver’s constitutional rights, such as an illegal search and seizure, the defense can potentially challenge the admissibility of the evidence obtained.

Medical and Physical Conditions

Certain medical conditions, injuries, or physical impairments unrelated to alcohol or drug consumption can affect an individual’s performance on field sobriety tests. Factors such as inner ear problems, mobility restrictions, and previous injuries can impact a person’s ability to balance, walk in a straight line, or perform physical tasks required in these tests. Presenting medical evidence that supports the presence of these conditions can form a strong defense against DUI charges.

Contact a DuPage County DUI Lawyer

Do not let a DUI conviction jeopardize your future. Contact the Wheaton, IL DUI attorneys with Davi Law Group, LLC for legal guidance during this stressful time. Call 630-580-6373 for a free consultation. 

Source:

https://www.verywellmind.com/field-sobriety-test-67159