DWI with Child Endangerment Lawyer St. Charles County, MO

What Constitutes DWI with Child Endangerment in St. Charles County?

A DWI involving child endangerment may arise when a driver is arrested for driving while intoxicated with a passenger under 17 years of age. Under Missouri law, the child’s presence elevates the DWI to a Class A misdemeanor, while separate child-endangerment charges may apply when the prosecution can establish the additional statutory elements.

In addition to an enhanced DWI, however, you may face charges such as endangering the welfare of a child (second-degree) which is a Class A misdemeanor or endangering the welfare of a child (first-degree) which can be charged as a Class D felony.

Penalties for DWI with Child Endangerment in St. Charles County

A DWI with child endangerment is upgraded from a Class B misdemeanor to a Class A misdemeanor and can come with some serious penalties, including:

• Up to one year in jail
• A fine up to $2,000
• License suspension or revocation
• Ignition interlock device installation
• SATOP completion
• SR-22 insurance filing
• Collateral consequences such as loss of professional license and impact to education, housing, and international travel

Additionally, if you are charged with endangering the welfare of a child, you can incur the following penalties as well:

For a Second-Degree Charge (criminally negligent conduct which created a substantial risk to a child):

• Up to one year in jail
• Up to a $2,000 fine

For a First-Degree Charge (knowingly creating a substantial risk to a child):

• Up to seven years in prison
• Up to a $10,000 fine

When both criminal penalties and potential consequences for your parental rights are on the line, having experienced legal representation is critical. At Combs Waterkotte, we can evaluate the circumstances of your arrest, identify potential defenses, and help protect your rights. Contact our St. Charles County DWI defense lawyers today to discuss your options.

Does the Child’s Age Affect DWI Child Endangerment Charges?

In Missouri, the age of the child passenger can affect which charges apply. Under RSMo § 577.010, a DWI is elevated to a Class A misdemeanor when a person under 17 years of age is present in the vehicle. Second-degree child endangerment under RSMo § 568.050 also applies to conduct involving a child under 17.

First-degree child endangerment under RSMo § 568.045 has a broader age threshold. This offense can involve knowingly acting in a manner that creates a substantial risk to the life, body, or health of a child under 18 years of age.

The child’s age, the driver’s alleged conduct, and whether the child suffered an injury may all affect the charges and potential penalties. However, prosecutors must still establish the elements of each offense beyond a reasonable doubt. A defense may involve challenging whether the evidence establishes knowing conduct, criminal negligence, or the substantial risk required under the applicable statute.

What Happens if a Child is Injured in a DWI Accident?

Causing injury to another person while driving intoxicated with criminal negligence can be charged as a Class D felony. Additionally, causing serious physical injury will elevate the charge to a Class C felony.

Prosecutors may pursue separate charges of endangering the welfare of a child in the first degree under RSMo § 568.045. If physical injury results, this offense can be elevated to a Class C felony. If the child suffers serious physical injury, it becomes a Class B felony. If the child dies, the charge can rise to a Class A felony.

This means a single DWI accident involving an injured child could expose a driver to multiple felony charges, substantial prison time, and lasting consequences beyond the criminal case. The specific charges and potential penalties will depend on the circumstances of the accident, the severity of the child’s injuries, and the evidence supporting each alleged offense.

Can DWI with Child Endangerment Affect Your Parental Rights or Custody?

Missouri family courts determine custody based on the best interests of the child, meaning a DWI with child endangerment can affect your parental rights and custody arrangements.

Under RSMo § 452.375, Missouri courts determine custody based on the child’s best interests, which includes considering the physical and mental health of those involved and any relevant history of abuse. Evidence that a parent drove intoxicated with a child in the vehicle could raise concerns about the child’s safety and influence future custody decisions.

Additionally, under RSMo § 452.400, courts may restrict visitation if allowing continued contact would endanger a child’s physical health or impair their emotional development. Depending on the circumstances, this could mean:

• Reduced parenting time
• Supervised visitation
• Additional restrictions designed to protect the child

Although an arrest or pending charge does not automatically cost you custody or visitation rights, a conviction for child endangerment can create additional complications in family court. If you’re facing DWI and child endangerment allegations in St. Charles County, having an experienced defense attorney is important to protecting your rights and addressing the potential consequences of your case.

How Are DWI with Child Endangerment Cases Handled in St. Charles County?

According to Missouri State Highway Patrol data, St. Charles County recorded 981 alcohol-involved traffic crashes between 2022 and 2024, accounting for 6.5% of the statewide total. During that same period, 61 alcohol-involved crashes resulted in disabling injuries, placing St. Charles County fourth among Missouri counties for these incidents.

DWI with child endangerment cases in St. Charles County can involve multiple criminal charges, additional investigations, and proceedings that extend beyond the initial arrest. Depending on the severity of the allegations, your case may be handled as a misdemeanor or felony in Missouri’s 11th Judicial Circuit Court.

Additionally, law enforcement may refer suspected child abuse or neglect allegations to the Missouri Children’s Division. Depending on the circumstances, this could result in an investigation or family assessment to evaluate the child’s safety and determine whether additional intervention is necessary.

Prosecutors may also pursue separate child endangerment charges alongside the underlying DWI, particularly when evidence suggests that the driver knowingly or negligently placed a child passenger at substantial risk. If the incident involved an accident or injuries, the potential charges and penalties can become even more severe.

Because these cases can affect your criminal record, driving privileges, and parental rights, it is important to understand the allegations against you and the potential consequences before deciding how to proceed.

What Evidence is Used in DWI with Child Endangerment Cases?

In a Missouri DWI with child endangerment case, prosecutors may use evidence to establish impairment, show how you were driving, and demonstrate that a child passenger was exposed to a substantial risk of harm. Depending on the circumstances, this evidence may include:

• Breath, Blood, and Urine Test Results: Chemical test results may be used to establish your blood alcohol concentration (BAC) or identify alcohol, drugs, or other potentially impairing substances in your system.
• Field Sobriety Tests and Officer Observations: Police reports may document your performance on roadside sobriety tests and alleged signs of impairment, including slurred speech, bloodshot eyes, poor coordination, or unsteady balance.
• Dashcam and Bodycam Footage: Recordings may capture your driving behavior, the traffic stop, field sobriety testing, and interactions with law enforcement. They may also provide information about the child’s presence and condition.
• Witness Statements: Passengers, other drivers, bystanders, or individuals familiar with the incident may provide accounts of your driving, apparent impairment, or interactions with the child.
• Statements Made to Law Enforcement: Prosecutors may use statements about alcohol consumption, drug use, driving behavior, or the child’s presence in the vehicle as evidence in their case.
• Traffic Stop and Accident Evidence: Police reports, photographs, traffic citations, vehicle damage, physical evidence, and accident reconstruction findings may help establish how the incident occurred.
• Evidence Concerning the Child Passenger: Passenger identification, witness accounts, photographs, and medical records may help establish the child’s age, location in the vehicle, physical condition, and whether an injury occurred.
• Prior Incidents or Relevant Records: Depending on the circumstances and applicable evidentiary rules, prosecutors may seek to introduce evidence of prior alcohol-related incidents or other relevant conduct.

Not every piece of evidence tells the complete story of what happened. Testing procedures, the circumstances of the traffic stop, inconsistencies in witness accounts, and the way evidence was collected may all affect the strength of the prosecution’s case. An experienced St. Charles County DWI defense attorney can evaluate these issues and determine whether the evidence supports the charges.

Can You Lose Your Driver’s License After a DWI with Child Endangerment Arrest?

Yes. A DWI with child endangerment can result in the loss of your Missouri driving privileges. However, the license consequences generally stem from the underlying DWI or other qualifying alcohol-related driving offenses rather than the child’s presence in the vehicle alone.

Missouri imposes separate administrative and criminal consequences for DWI offenses. If you are arrested for driving with a BAC of 0.08% or higher, you may face an administrative license suspension or revocation through the Missouri Department of Revenue, regardless of how your criminal case is resolved. Depending on your driving history, you may face:

• 90-Day Suspension: A first-time administrative DWI action generally results in a 90-day suspension if you have no qualifying alcohol-related enforcement contacts within the preceding five years. Under current administrative procedures, you may instead be eligible for a 30-day suspension followed by a 60-day restricted driving privilege or an immediate 90-day restricted driving privilege with an approved ignition interlock device.
• One-Year Revocation: If you have a qualifying prior alcohol-related enforcement contact within the preceding five years, you may face a one-year administrative revocation. A second intoxication-related traffic conviction can also result in a one-year revocation through Missouri’s point system, regardless of the time between convictions.
• Five-Year License Denial: Two qualifying alcohol- or drug-related driving convictions within a five-year period can result in a five-year license denial.

Depending on your driving record and the type of license action, reinstatement may require completing the Substance Awareness Traffic Offender Program (SATOP), filing proof of financial responsibility through an SR-22 insurance form, installing a certified ignition interlock device (IID), paying reinstatement fees, and retaking your driver’s license examination.

Common Defenses Against DWI with Child Endangerment Charges

The prosecution must prove every element of a DWI and any separate child endangerment charge beyond a reasonable doubt. Depending on the circumstances, an experienced St. Charles County DWI defense attorney may pursue several strategies to challenge the allegations, including:

• Challenging the Legality of the Traffic Stop: Officers must have reasonable suspicion or another lawful basis to initiate a traffic stop. If law enforcement violated your constitutional rights during the stop or subsequent investigation, your attorney may be able to suppress evidence obtained as a result.
• Disputing Evidence of Impairment: Chemical test results and field sobriety evaluations are not automatically reliable. Your attorney can examine testing procedures, equipment maintenance, sample handling, and other factors that may affect the accuracy of the results or the conclusions drawn from your performance.
• Challenging the Elements of Child Endangerment: First-degree and second-degree child endangerment have different legal requirements. Prosecutors must establish the applicable mental state—knowing conduct for first-degree or criminal negligence for second-degree—as well as the other elements of the charged offense. Your attorney can challenge whether the evidence actually establishes those requirements rather than simply demonstrating that a child was present in the vehicle.
• Disputing Allegations of Dangerous Driving: Prosecutors may point to speeding, erratic driving, traffic violations, or an accident as evidence that you endangered a child passenger. Your attorney can examine the circumstances of the incident and challenge whether the evidence supports the specific allegations and statutory elements of the charged offense.
• Questioning the Prosecution’s Account of the Incident: Inconsistencies between police reports, witness statements, video recordings, and other evidence may undermine the prosecution’s version of events. Your attorney can also examine whether statements attributed to you were obtained lawfully and accurately documented.
• Challenging Separate Charges or Enhanced Penalties: A DWI arrest involving a child passenger may lead to an enhanced DWI charge and additional child endangerment allegations. Your attorney can evaluate whether prosecutors have correctly classified each offense and whether the evidence supports the elements and penalties associated with every charge.

The appropriate defense depends on the specific allegations, available evidence, and circumstances of the arrest. A careful review of the case can help identify weaknesses in the prosecution’s arguments and determine which legal challenges may be available.