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DWI Lawyer in Kansas City, Missouri

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Last Updated: July 28, 2026

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DWI Lawyer in Kansas City, MO

A DWI charge in Missouri can threaten your driver’s license, freedom, finances, and reputation. Whether your arrest involved alcohol, cannabis, prescription medication, or another substance, the prosecution must still prove every element of the case beyond a reasonable doubt. Combs Waterkotte has handled more than 15,000 criminal cases, including countless impaired-driving cases. If you were arrested for DWI in Kansas City, our attorneys can examine the traffic stop, field sobriety exercises, chemical testing procedures, and police evidence to determine the strongest way to defend you.

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DWI Lawyer in Kansas City, MO

DWI Lawyer in Kansas City, MO

Getting stopped in Kansas City, MO, after having a drink or using cannabis can initiate a chain of events that results in license suspension, fines, and even jail time. However, you may have defenses against DWI charges.

Combs Waterkotte has handled over 15,000 criminal cases, including countless DWIs. We protect our clients’ rights when they face serious charges that could result in imprisonment and other harsh consequences.

Facing a DWI charge in the Kansas City area? We can help. Call (314) 900-HELP or reach out online for a free, confidential consultation.



Impaired-Driving Offenses in Missouri

Impaired-Driving Offenses in Missouri

Driving while intoxicated (DWI), also called driving under the influence (DUI), is one of the leading causes of fatal car accidents nationwide. All states, including Missouri, outlaw driving while impaired by drugs or alcohol.

Intoxicating substances can affect all of the following skills needed to drive safely:

  • Judgment
  • Reasoning
  • Reflexes
  • Coordination and muscle control
  • Perception

A driver who exhibits any of these impairments risks arrest and prosecution for DWI.

Missouri Statutes Covering DWI Offenses

Missouri Statutes Covering DWI Offenses

Missouri has two primary statutes outlining DWI offenses:

Driving While Intoxicated

Missouri law prohibits the operation of a vehicle while in an “intoxicated condition.” That means you’re unable to operate a vehicle safely after consuming alcohol, illegal drugs, prescription drugs, or another intoxicant.

This statute is a catch-all for substances for which there’s no legal limit. For example, Missouri doesn’t have a legal limit for drivers who smoke marijuana or consume cannabis edibles. Since the police can’t arrest the driver for being over the legal limit, officers will look for signs of impairment and use this statute to prosecute the driver.

The law can also be used to prosecute motorists who drive dangerously even if their blood alcohol content (BAC) is below the legal limit. A driver who rarely drinks or has a slight build may become intoxicated after only a small amount of alcohol.

Another common scenario in which someone might be impaired despite being below the legal limit occurs in polysubstance cases. A driver might consume alcohol in combination with another substance, such as prescription medication. The combined effects may impair their abilities, despite their BAC being below the legal limit.

An arrest for this offense usually begins when a police officer sees the driver commit a traffic violation, such as weaving, speeding, or mounting a curb. It can also occur at an accident scene where the driver struck a fixed object, a pedestrian, or another vehicle.

The officer may suspect that the driver is impaired based on their observations. The following signs may alert an officer to possible intoxication:

  • Slurred speech
  • Bloodshot eyes
  • Dilated pupils
  • Difficulty answering questions
  • Uncoordinated movements

The officer may try to verify the impairment with a field sobriety test, which involves physical and mental tasks designed to test the driver’s abilities.

Prosecutors frequently rely on police testimony and video from dash and body cameras to prove the accused’s intoxication. The responding officer will typically testify about their observations, and the video footage will be used as evidence to show the driving violation and the subsequent field sobriety test.

Driving With Excessive Blood Alcohol Content

There’s a second DWI law for prosecuting drunk drivers in Kansas City, MO. Under this law, no one may drive a personal automobile with a BAC of 0.08% or higher, or a commercial vehicle with a BAC of 0.04% or higher.

Notably, prosecutors don’t need evidence of impairment to prosecute you for excessive BAC—you might be guilty of this offense regardless of the effects of alcohol consumption on your driving abilities. Prosecutors only need a chemical test result showing that your BAC is at or above the legal limit.

This test requires a breath, urine, or blood sample. While you have the right to refuse the test, Missouri’s implied consent law allows the state to suspend your driver’s license for your refusal, even if you’re never charged with or convicted of DWI.

At trial, prosecutors don’t need any testimony about the accused’s driving to get a conviction. The evidence will generally focus on the acquisition of the testing sample, its processing, and the results. Prosecutors can secure a conviction by proving beyond a reasonable doubt that the driver’s BAC was at or over the legal limit.

Additionally, the state will automatically suspend a driver’s license if the chemical test shows a BAC over the legal limit. Again, this will happen even if the charges are dismissed or downgraded.

Possible Defenses Your DWI Lawyer Can Raise

Possible Defenses Your DWI Lawyer Can Raise Against Charges in Kansas City, MO

DWI cases, particularly those with chemical test results, may seem difficult to overcome. But a skilled Kansas City DWI lawyer might employ any of several criminal defense strategies to defend you against your charges.

Improper Traffic Stop

Under the Constitution’s Fourth Amendment, searches and seizures must be “reasonable.” As interpreted by the courts, this means the police must have probable cause to pull you over. An officer has probable cause when they have a reasonable suspicion that you broke the law.

Probable cause could be established if the officer saw you violate a traffic law or observed that your vehicle was unsafe because of an equipment violation. They can’t establish probable cause simply based on your race, gender, or other personal characteristics.

If the initial traffic stop is deemed unlawful, the court can throw out any evidence gathered during the stop, including chemical testing results.

Unreliable Test Results

It’s possible for a chemical test to provide unreliable results due to:

  • Improperly calibrated equipment
  • Defective or damaged equipment
  • Cross-contamination of samples
  • Improper collection or handling of samples

Similarly, certain testing conditions can produce a false positive. For example, alcohol-based mouthwash, cologne, or even some prescription medications can result in an incorrect alcohol reading on a breath test.

During discovery, your DWI lawyer will request documentation about your tests and the equipment used. Any misuse of the equipment could provide a defense against your DWI charges.

Involuntary Intoxication

Generally, you can’t defend yourself against a DWI charge by arguing that you didn’t intend to become impaired or failed to realize how intoxicated you were before driving. However, you may be able to argue that you were drugged without your knowledge or consent.

No Actual Control

The term “operate” requires that you have actual control of the vehicle. “Actual control” doesn’t necessarily mean you were driving at the time of the violation. It can also mean you were pulled over with the ignition off while sleeping.

To establish actual control, prosecutors must show that you had the ability and intent to drive. If you were asleep in the driver’s seat with the keys in your pocket, prosecutors may have a valid argument that you were in actual control of the vehicle.

However, you might have a defense if you were sleeping in the back seat or if you had thrown the keys out the window before falling asleep.

Penalties You Could Face After a DWI Conviction in Kansas City

Penalties You Could Face After a DWI Conviction in Kansas City, MO

In Missouri, a DWI is normally treated as a Class B misdemeanor. The sentence may include up to six months in prison and a fine of up to $500.

However, the penalties increase if the defendant is a repeat offender. In determining the sentence for a repeat offender, the statutes use the following offender statuses:

  • Prior offender: One prior DWI within the past five years
  • Persistent offender: Two prior DWIs, or one prior DWI that caused injury or death
  • Aggravated offender: Three or more prior DWIs, or two or more DWIs that caused injury or death
  • Chronic offender: Four or more prior DWIs, or three or more DWIs that caused injury or death
  • Habitual offender: Five or more prior DWIs, or four or more DWIs that caused injury or death

The penalties for repeat offenders may include the following:

Offender Status Potential Punishment
Prior offender Class A misdemeanor; up to one year
Persistent offender Class E felony; up to four years
Aggravated offender Class D felony; up to seven years
Chronic offender Class C felony; up to 10 years
Habitual offender Class B felony; up to 15 years

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What Happens After a DWI Arrest in Kansas City?
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What Happens After a DWI Arrest in Kansas City?

A DWI arrest can trigger both a criminal case and a separate driver’s license proceeding. Each process may involve different deadlines, evidence, hearings, and potential consequences:

The Criminal Case

  • Booking and release — You may be processed at the police station and released with instructions concerning your next court date.
  • Formal charges — Prosecutors will review police reports, test results, video footage, and other evidence before pursuing the case.
  • Court appearances — You may be required to attend an arraignment, pretrial hearings, motion hearings, and other proceedings.
  • Case resolution — The case may end through dismissal, reduced charges, a negotiated plea, diversion, or trial.

The Driver’s License Case

  • License suspension notice — A failed chemical test or refusal may result in paperwork notifying you of an administrative suspension.
  • Strict deadlines — You may have a limited amount of time to request a hearing or challenge the suspension.
  • Administrative review — The license proceeding may address the traffic stop, arrest, chemical test, refusal, and compliance with Missouri procedures.
  • Restricted driving — Depending on the circumstances, you may qualify for limited driving privileges or an ignition interlock arrangement.

  • DWI

    Charge

    DWI

    Result

    Not Guilty Verdict

    Combs Waterkotte represented a Robertsville, MO man on a felony charge of DWI. At trial, we challenged the way the officer conducted his standardized field so …

    Charge

    DWI

    Result

    Not Guilty Verdict

  • DWI Marijuana

    Charge

    DWI W/ Marijuana

    Result

    Community Service

    Combs Waterkotte represented a client charged with DWI after a traffic stop in Sedalia, Missouri. Police alleged that the client was impaired by marijuana aft …

    Charge

    DWI W/ Marijuana

    Result

    Community Service

  • DWI

    Charge

    DWI

    Result

    Dismissed

    Combs Waterkotte represented a college student on a DWI charge. During the administrative hearing, which deals with license suspension, we challenged the arre …

    Charge

    DWI

    Result

    Dismissed

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    Why Hire Combs Waterkotte to Fight Your DWI Charges?

    Why Hire Combs Waterkotte to Fight Your DWI Charges?

    Experience matters when defending against DWI charges. The proven attorneys at Combs Waterkotte know how to examine testing equipment and protocols to raise questions about excess BAC results. We’re also familiar with local police practices and can cite issues regarding probable cause for traffic stops.

    Our Kansas City DWI defense team has decades of combined experience proving the innocence of our clients.

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    How Our DWI Lawyers Handle Impaired-Driving Cases

    How Our DWI Lawyers Handle Impaired-Driving Cases in Kansas City, MO

    We’ll seek to understand your side of the story after your DWI arrest. Once we know what happened, we’ll develop a tailored defense strategy.

    Depending on the circumstances, we may be able to raise procedural or constitutional questions and move to have your charges dismissed. Alternatively, we might gather material evidence and hire experts to undermine the prosecution’s case.

    Your Kansas City DWI lawyer will negotiate with prosecutors to try to obtain a positive outcome in your case. If we can’t divert your case to DUI court or secure a fair plea bargain, we won’t hesitate to challenge your charges at trial.

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    Contact an Experienced DWI Lawyer in Kansas City

    Contact Us to Discuss Your Charges With an Experienced DWI Lawyer in Kansas City

    Being convicted of DWI in Kansas City can mean jail time and license suspension, even for a first offense. A DWI lawyer from Combs Waterkotte can provide a personalized defense to protect your freedom and reputation.

    Contact us online or call (314) 900-HELP to discuss your arrest and how we can help you.

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