Reasonable Suspicion vs. Probable Cause 
While reasonable suspicion is sufficient for a police officer to pull you over, it is not enough to justify an arrest for DUI. Probable cause is required before law enforcement can detain you beyond the traffic stop or conduct chemical tests that may impact your license or criminal record. Probable cause is established when the officer observes clear signs of impairment, which can include physical cues such as slurred speech, bloodshot eyes, odor of alcohol, and failure to successfully perform field sobriety exercises. Other factors that contribute to probable cause may involve open containers of alcohol in the vehicle, admissions of drinking, or erratic behavior observed during questioning. The distinction between reasonable suspicion and probable cause is crucial because it determines the scope of an officer’s legal authority. Knowing these terms can help drivers understand what they are being evaluated on and what evidence may be challenged later in court.
Harley Wagner
Defending West Virginia Residents for over 24 Years
Observing Impairment
Once pulled over, an officer will begin assessing the driver for signs of intoxication. This assessment is multifaceted and includes not only the driver’s behavior behind the wheel but also their actions during the initial interaction. Officers typically evaluate appearance, speech, balance, and responsiveness to questions. They may ask drivers to perform roadside field sobriety tests, which include exercises such as the walk-and-turn, the one-leg stand, or the horizontal gaze nystagmus test. These exercises are designed to demonstrate the driver’s ability to follow instructions, maintain balance, and exhibit normal motor skills. Failing any of these tests often strengthens an officer’s probable cause determination and can trigger a request for chemical testing. Understanding how impairment is assessed can empower drivers to remain calm, respond appropriately, and seek legal representation as soon as possible.Chemical Testing and Implied Consent
If probable cause is established, West Virginia law requires drivers to submit to chemical testing for blood alcohol content or the presence of other controlled substances. The state’s implied consent law means that by operating a motor vehicle, you automatically consent to these tests if law enforcement has probable cause. Refusal to submit to a chemical test can result in administrative penalties, including license suspension, though it cannot automatically be used as evidence of guilt in criminal court. Chemical tests can include breath, blood, or urine tests, and each method has its own procedural requirements that must be strictly followed. An experienced DUI attorney can review whether these procedures were properly executed and can challenge errors in administration or chain-of-custody violations, which can be critical in building an effective defense strategy.
Harley and Heather gave me peace of mind as they walked me through the process of my DUI. Heather was so quick to answer even the smallest and probably irrelevant questions I had. I was extremely nervous to walk in the courtroom, but Harley made sure I was in and out of there in no time with the best deal I could think of. My DUI charge was reduced to a speeding ticket and some online DUI classes. Would absolutely recommend Harley and Heather if you’re ever in need of a lawyer.”
- Antea Jarazi
The Wagner Law Firm was amazing from beginning to end dealing with my case. This was my first time ever dealing with anything like this and they helped me tremendously and answered all my questions super fast. We got the best outcome possible for my case and I will be recommending Harley and Heather to anyone that’s ever in my situation."
- Savanna Cummings
Harley and Heather do not stop and are excellent at always keeping their clients up to date on the status of their case and never left wondering. They do all the work and are very well connected throughout the state. I will forever be grateful to both Harley and Heather for what they did for me,,,, they aren’t just another law firm, they are great people who truly care. Thank you."
- Clint Anderson
Protecting Your Rights During a Stop
Being pulled over is a stressful experience, and knowing how to protect your rights can prevent unnecessary complications. Drivers should remain calm and courteous, comply with basic lawful requests, and be aware of when they are allowed to politely decline certain tests or questions. For example, while roadside chemical testing is optional, understanding the consequences of refusal is vital. You are entitled to consult with legal counsel promptly, which can guide decisions about participation in tests and statements made to law enforcement. The Wagner Law Firm emphasizes the importance of early consultation because timely legal guidance can significantly affect case outcomes, from negotiating potential reductions to preparing for court proceedings.Common Misconceptions About DUI Stops
Many drivers believe that a DUI stop requires a prior traffic violation or an accident, but this is not the case. Police need only reasonable suspicion, which can arise from behavior that seems erratic or unsafe. Other common misconceptions include thinking that minor drinking will prevent a stop or that refusing all tests will avoid consequences entirely. Even small amounts of alcohol can impact driving ability, and field sobriety tests are structured to assess impairment with standardized methods. Misunderstanding these factors often leads drivers to make decisions that inadvertently complicate their situation. Legal counsel can clarify these misconceptions and ensure drivers understand their rights and responsibilities from the outset.Related Videos
What are the penalties for a DUI conviction?
What happens if I'm arrested for a first DUI?