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DWI With Injury Lawyer Kansas City, MO
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This content has been written and edited by professional legal writers and individually reviewed and verified by Christopher Combs and Steven Waterkotte, attorneys who have over 40 combined years in the criminal defense industry.
Last Updated: September 18, 2026
DWI With Injury Lawyer Kansas City, MO
A DWI involving an injury can put someone who has never faced a felony before in a much more serious criminal case. Under current Missouri law, causing physical injury while driving intoxicated can support a Class D felony charge, while causing serious physical injury can raise the offense to a Class C felony.
Those charges depend on more than the fact that an accident happened after someone had been drinking or using drugs. Missouri law requires the state to prove intoxication, criminal negligence, causation, and the severity of the injury. Each can become an issue in the defense.
If you have been arrested or charged after an accident in Kansas City, a Kansas City DWI lawyer at Combs Waterkotte can review the DWI investigation, the evidence surrounding the crash, and the alleged injuries. We represent clients in Kansas City, Jackson County, and throughout Missouri in misdemeanor and felony DWI cases.
Call Combs Waterkotte at (314) 900-HELP to discuss your case for free.

I owe my life to Combs Waterkotte. If not for them, I would be spending the rest of my life behind bars. There is no amount of words that can explain what they did for me and my family. Its the highest recommendation that I can give.
Alexander B.
Felonies
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If I could give Steve and his team 10 stars I would in a heartbeat. Was facing more then one felony charge and after these guys found the arresting officer violated my 4th Amendment Rights and those charges were dismissed. My family and I can't thank you enough.
Dean J
Felonies
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I was hands down guilty. ON VIDEO !!! In a smaller town, and a job dealing with the public, this was devastating. I made one phone call and spoke for maybe 15 minutes. I DIDN'T appear in court. I am extremely impressed. QUIETLY relieved of the matter!
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Theft
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My fiance had a felony drug charge and Combs Waterkotte got it dismissed! There were no fines, court cost, nothing. Chris is loyal, professional, knowledgeable, and a man of his word. We are forever grateful for you.
Kimberly T.
Drug Crimes
Verify onIf I was found guilty, it would have been over 100 years in prison. They promised me that they would fight like hell and get me out of it. After everything was done, I just felt free. Like this wasn’t gonna end with me rotting away in a prison cell. I felt like I could start my life and have a fresh start.
Caleb
Assault 1st, Armed Criminal Action
Verify onI was facing, probably 18 years… I actually got 5 years probation and 40 hours of community service. Without Combs Waterkotte’s help, I don’t think my family could have made it without me. It was just a written book to where it's a perfect ending.
Chris
Unlawful Use of a Weapon, Armed Criminal Action
Verify onI went through what was supposed to be one of the top law firms in St. Louis. They said I wouldn't have no chance. I end up firing the other lawyer and everything and going with Chris. I felt like Combs Waterkotte actually did something for me and wasn't I wasn't just another number on somebody's desk.
Willy
DWI/DUI
Verify on
I owe my life to Combs Waterkotte. If not for them, I would be spending the rest of my life behind bars. There is no amount of words that can explain what they did for me and my family. Its the highest recommendation that I can give.
Alexander B.
Felonies

If I could give Steve and his team 10 stars I would in a heartbeat. Was facing more then one felony charge and after these guys found the arresting officer violated my 4th Amendment Rights and those charges were dismissed. My family and I can't thank you enough.
Dean J
Felonies

I was hands down guilty. ON VIDEO !!! In a smaller town, and a job dealing with the public, this was devastating. I made one phone call and spoke for maybe 15 minutes. I DIDN'T appear in court. I am extremely impressed. QUIETLY relieved of the matter!
Y.I.V.
Theft

My fiance had a felony drug charge and Combs Waterkotte got it dismissed! There were no fines, court cost, nothing. Chris is loyal, professional, knowledgeable, and a man of his word. We are forever grateful for you.
Kimberly T.
Drug Crimes
If I was found guilty, it would have been over 100 years in prison. They promised me that they would fight like hell and get me out of it. After everything was done, I just felt free. Like this wasn’t gonna end with me rotting away in a prison cell. I felt like I could start my life and have a fresh start.
Caleb
Assault 1st, Armed Criminal Action
I was facing, probably 18 years… I actually got 5 years probation and 40 hours of community service. Without Combs Waterkotte’s help, I don’t think my family could have made it without me. It was just a written book to where it's a perfect ending.
Chris
Unlawful Use of a Weapon, Armed Criminal Action
I went through what was supposed to be one of the top law firms in St. Louis. They said I wouldn't have no chance. I end up firing the other lawyer and everything and going with Chris. I felt like Combs Waterkotte actually did something for me and wasn't I wasn't just another number on somebody's desk.
Willy
DWI/DUI
Missouri DWI With Injury Laws
Missouri Revised Statute 577.010 defines DWI as operating a vehicle while in an intoxicated condition. The statute also determines when the offense becomes a felony because someone else was injured.
Under the version of Missouri Revised Statute 577.010 effective August 28, 2026:
- A DWI involving criminal negligence that causes physical injury to another person is a Class D felony.
- A DWI involving criminal negligence that causes serious physical injury to another person is a Class C felony.
Missouri changed these classifications in 2026. Under the current law, causing physical injury while driving intoxicated can result in a Class D felony, while causing serious physical injury can result in a Class C felony.
That distinction makes the extent of the alleged injury a central part of the case. In a Kansas City DWI accident, prosecutors may look at how the crash happened, whether the driver was intoxicated, and what injuries resulted when deciding what charges to file.
When an injury is alleged, however, the nature of that injury becomes part of the criminal case.
Physical Injury vs. Serious Physical Injury in Missouri DWI Cases
Missouri law does not leave the meaning of injury entirely up to the prosecutor.
Under Missouri Revised Statute 556.061, physical injury includes physical pain, illness, or an impairment of physical condition. Serious physical injury involves an injury creating a substantial risk of death, serious disfigurement, or a prolonged loss or impairment of a bodily function.
Examples of physical injury may include:
- Cuts or lacerations
- Bruising
- Sprains or strains
- Minor burns
- Short-term pain after a crash
- Temporary soreness or reduced movement
Examples of serious physical injury may include:
- Traumatic brain injuries
- Spinal cord injuries
- Serious fractures
- Permanent scarring or disfigurement
- Loss of use of a limb or organ
- Injuries that create a substantial risk of death
- Long-term or permanent impairment of a bodily function
The difference can be significant because it affects the felony classification.
Medical records may therefore become important evidence in a DWI with injury prosecution. The defense can review what treatment the injured person received, the diagnosis, how long any impairment lasted, whether surgery was required, and what physicians actually documented about the condition.
An officer may describe an injury as severe at the scene without having the medical information necessary to determine how Missouri’s statutory definition applies. On the other hand, an injury that initially appears minor can later require substantial treatment. Prosecutors should base the charge on the evidence, not assumptions made during the initial accident investigation.
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What Prosecutors Must Prove in a Kansas City, MO DWI With Injury CaseWhat Prosecutors Must Prove in a Kansas City, MO DWI With Injury Case
A felony DWI with injury case involves several separate questions.
The state first has to establish that the defendant operated the vehicle while intoxicated. That part of the case can involve breath testing, blood testing, field sobriety tests, statements made to police, officer observations, toxicology evidence, and other evidence usually seen in a DWI prosecution.
The state must also prove criminal negligence.
Under Missouri Revised Statute 562.016, criminal negligence occurs when a person fails to recognize a substantial and unjustifiable risk and that failure represents a gross deviation from the care a reasonable person would have exercised under the circumstances.
That is different from simply proving that an accident occurred.
A driver can make a mistake without necessarily acting with criminal negligence. The facts leading up to the collision can become particularly important when there are questions about traffic signals, speed, visibility, road conditions, the actions of another driver, or an unexpected event immediately before the crash.
Finally, prosecutors must connect the defendant’s conduct to the injury. If several vehicles were involved or another driver’s actions contributed to the collision, causation may require a much closer examination than the original police report provides.
Defense Strategies for DWI With Injury Charges in Kansas City, MO
There is no single defense that applies to every DWI injury case. The right approach depends on how the accident occurred, what police did after arriving, how intoxication was measured, and what evidence supports the injury allegation.
Challenging the DWI Evidence
An injury does not eliminate the usual issues surrounding a DWI investigation.
Breath testing equipment and procedures can be reviewed. Blood evidence raises questions about collection, storage, chain of custody, laboratory testing, and timing. Field sobriety tests may also deserve additional scrutiny when the person performing them has just been involved in a collision.
Someone with a leg, back, head, or other injury may not move or respond the same way they would under normal circumstances. The defense should account for those conditions before accepting an officer’s description of someone’s balance, coordination, speech, or behavior as proof of impairment.
The same principle applies when the allegation involves marijuana, prescription medication, or another substance rather than alcohol. Our Kansas City DWI with drugs attorneys examine what toxicology results can actually establish about impairment at the time of driving.
Challenging Criminal Negligence
The prosecution has to prove more than intoxication and an injury occurring in the same accident.
The defense can examine how the collision started and whether the driving behavior meets Missouri’s definition of criminal negligence. Traffic-camera footage, witness accounts, crash photographs, vehicle damage, road conditions, and electronic vehicle data may provide a different picture from the one described in the charging documents.
For example, another motorist’s failure to yield may affect the analysis of who caused the crash. The same could be true of limited visibility, a mechanical issue, or another event that changed the driver’s ability to avoid the collision.
Disputing Causation
A Kansas City DWI with injury case may also turn on whether prosecutors can prove that the defendant’s conduct caused the alleged injury.
This becomes more complicated in multi-vehicle accidents, cases involving several injured people, or crashes where there is disagreement over which driver initiated the collision. Accident reconstruction may be appropriate in cases where the physical evidence does not support the state’s version of events.
Relevant evidence can include vehicle damage, event data recorder information, photographs, video, measurements from the scene, witness accounts, and the location of impact.
Challenging the Injury Classification
Because physical injury and serious physical injury result in different felony classifications, medical evidence can affect the potential sentence.
The defense can compare the state’s description of the injury with the medical records and Missouri’s statutory definitions. The length of an impairment, the treatment provided, the patient’s prognosis, and the actual effect on bodily function may all be relevant.
These issues make a DWI with injury prosecution different from a typical first-offense DWI case in Kansas City.

Penalties for DWI With Injury in Missouri
Under the current version of Missouri’s DWI statute, causing physical injury while driving intoxicated and acting with criminal negligence is a Class D felony. Causing serious physical injury under those circumstances is a Class C felony.
Under Missouri Revised Statute 558.011, sentencing ranges are:
| DWI Injury Charge | Felony Classification | Possible Prison Sentence |
| DWI causing physical injury with criminal negligence | Class D felony | Up to 7 years |
| DWI causing serious physical injury with criminal negligence | Class C felony | 3 to 10 years |
Those sentencing ranges come from.
A person’s prior DWI history can change the analysis. Missouri separately increases DWI classifications for certain persistent, aggravated, chronic, and habitual offenders. Someone with previous intoxication-related offenses may therefore face additional sentencing issues beyond those created by the injury itself.
Our Kansas City felony DWI lawyers can review both the current allegations and any convictions the prosecution intends to use for enhancement.
A felony conviction also creates consequences that do not appear in the prison range. Employment, professional licensing, insurance, firearm rights, and other parts of a person’s life can be affected by a felony record. If the charge can be reduced or defeated, avoiding that record may be just as important as avoiding incarceration.

Driver’s License Consequences of a DWI With Injury in Missouri
The criminal case is not the only proceeding that can follow a Kansas City DWI arrest.
The Missouri Department of Revenue handles administrative driver’s license suspensions and revocations. According to the Department, a driver who receives a Notice of Suspension or Revocation generally has 15 days to request an administrative hearing.
If there has not been an alcohol- or drug-related conviction or suspension during the previous five years, the administrative action is generally a 90-day suspension. A qualifying prior offense within that period can result in a one-year revocation. Refusing a chemical test can also result in a separate one-year revocation.
That process moves independently of the felony prosecution. A person can therefore be dealing with a criminal court case and an administrative license case at the same time.
The deadline is one reason to contact a lawyer soon after an arrest rather than waiting for the criminal case to progress.
How Combs Waterkotte Defends DWI With Injury Cases in Kansas City
A DWI with injury case usually requires work beyond reviewing the breath result and police report.
Our attorneys can examine the DWI investigation and the collision as separate parts of the case. Depending on what happened, that may include obtaining body-camera footage, reviewing chemical testing records, gathering medical evidence, interviewing witnesses, examining vehicle data, and determining whether additional investigation of the accident is necessary.
If police obtained blood through a warrant, we can review the warrant and the testing process. If the prosecution relies on statements made at the scene or hospital, we can examine the circumstances under which those statements were obtained. If the state’s case depends on its interpretation of the collision, we can compare that theory against the available physical evidence.
Combs Waterkotte’s Kansas City criminal defense lawyers handle serious criminal cases throughout Missouri and prepare cases with the possibility of trial in mind. Our Kansas City felony defense attorneys also understand the sentencing and collateral issues that become important when a DWI allegation moves from a misdemeanor to a felony.

Why Hire Combs Waterkotte for a Kansas City, MO DWI With Injury Case?
A felony DWI case can involve criminal law, driver’s license law, medical evidence, toxicology, and the details of the accident itself. The attorney handling it needs to understand how those pieces fit together rather than treating the case as a routine drunk-driving charge.
Combs Waterkotte has handled thousands of criminal cases throughout Missouri, including DWI and serious felony prosecutions. Our attorneys include former prosecutors who understand how the state evaluates evidence and prepares criminal cases. We also have investigative resources available when the defense requires additional work outside the courtroom.
Most importantly, the defense should be built around what actually happened in your case.
Maybe intoxication is disputed. Maybe another driver caused the crash. Maybe the blood evidence does not establish what the prosecution says it does. Maybe the medical evidence does not support the charged level of injury. Sometimes there are several issues at once.
Our job is to identify them, determine which ones can change the case, and put the prosecution’s evidence to the test.
Contact a DWI With Injury Lawyer in Kansas City, MO
A DWI with injury charge can carry years in prison under Missouri law, and the driver’s license process may begin before the criminal case gets very far. Getting the defense started early gives your attorney an opportunity to review the accident, testing, medical evidence, and police investigation while that evidence is still available.
Combs Waterkotte represents people charged with DWI and felony offenses throughout Kansas City and Missouri. If you or someone in your family has been accused of causing an injury while driving intoxicated, call (314) 900-HELP or contact Combs Waterkotte online for a free, confidential consultation.
Resources
For more information on DWI defense in Kansas City or anywhere else in Missouri, call the Combs Waterkotte criminal defense attorneys right away at (314) 900-HELP or contact us online for a confidential consultation.
16th Judicial Circuit – Criminal Records
Albert Riederer Community Justice Complex
1315 Locust St.
Kansas City, MO 64106
Phone: (816) 881-4350
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