DWI felony and misdemeanor defense in Missouri
Wentzville sits at a major transportation crossroads. Traffic enforcement, crashes, and roadside investigations can produce DWI, drug, weapons, and other allegations, while calls to homes and businesses may lead to assault or felony investigations. If you have been arrested, received a summons, or learned that you are under investigation in Wentzville, speaking with a defense lawyer early can help you understand the accusation, protect deadlines, and preserve favorable evidence.

Kissell Law Group represents people facing DWI, drug, assault, domestic assault, sexual-offense, felony, misdemeanor, and other criminal allegations in Wentzville, St. Charles County, and throughout Missouri. The firm also serves clients in Lake Saint Louis, O’Fallon, Foristell, New Melle, and western St. Charles County.
Kissell Law Group has more than 17 years of criminal-defense experience, has represented more than 2,100 clients, and has handled matters in nearly every Missouri county. Every case receives an individualized review because the right defense depends on the evidence, applicable law, prior history, and the client’s goals.
Call 314-669-4394 to request a confidential consultation.
Most state criminal cases arising in Wentzville are handled through the Circuit Court of St. Charles County, Missouri’s 11th Judicial Circuit. Some ordinance matters may begin in a municipal court.
Cases may begin with city officers, county deputies, the Missouri State Highway Patrol, or another investigative agency. Traffic-related matters may arise along Interstates 64 and 70, U.S. Route 61, Route A, and surrounding city streets. Your citation, summons, bond paperwork, or Case.net record should identify the court, case number, and next appearance date.
Keep every document you receive and confirm any uncertainty promptly. Do not assume a telephone call to a clerk changes or excuses a court appearance. A missed date or violation of release conditions can create additional problems separate from the original allegation.
A Missouri DWI arrest may create two separate matters: a criminal prosecution and an administrative proceeding involving driving privileges. These processes have different rules and deadlines. A favorable result in one does not automatically resolve the other, and waiting for the first criminal court date can jeopardize an administrative option.
A careful DWI defense may require review of:
A reported alcohol concentration does not eliminate the need to investigate. Timing, collection procedure, instrument or laboratory records, medical explanations, constitutional issues, and compliance with Missouri requirements can affect whether evidence is reliable and admissible.
Drug allegations in Wentzville may begin with a vehicle stop, warrant, consent search, shared residence, package investigation, controlled purchase, or another person’s statement. The defense may examine whether officers had a lawful basis for the search, whether a stop was prolonged, whether consent was voluntary, and whether a warrant was sufficiently supported and properly executed.
Possession must be proven, not assumed. When several people occupy a vehicle or property, proximity to a substance may not establish that a particular person knowingly possessed it. Evidence handling, laboratory testing, chain of custody, informant reliability, ownership, access, and control may all matter.
Kissell Law Group handles allegations involving possession of controlled substances, distribution, manufacturing, trafficking, prescription medication, and drug paraphernalia.
Assault accusations often follow a confusing and emotional event in which witnesses disagree. An initial police report may omit context, prior communications, video, photographs, or witnesses who left before officers arrived. A defense investigation can examine intent, self-defense, defense of another person, injuries, credibility, inconsistent accounts, and who initiated the encounter.
Domestic assault allegations may also result in bond restrictions, a no-contact condition, or an order-of-protection proceeding. These restrictions must be followed unless and until a court changes them. Do not respond to prohibited contact even if the other person initiates it, and do not ask a friend or relative to communicate on your behalf.
Sexual-offense and internet-based allegations require prompt, discreet representation. These cases may involve private messages, social media, location data, search histories, device records, forensic testing, witness credibility, interview methods, and complex timelines. What was preserved, how it was collected, and whether it supports the accusation can be critical.
Do not delete messages or accounts, contact an accuser, or attend an interview alone to try to clear things up. Preserve potential evidence and obtain legal advice before giving a statement or consenting to access to a phone, computer, cloud account, vehicle, or home.
A criminal case can affect more than jail, probation, or fines. Consequences may extend to employment, professional licensing, education, housing, driving privileges, firearm rights, immigration status, family responsibilities, and reputation. Even a charge that appears minor should be evaluated in light of the client’s record and long-term priorities.
The appropriate defense may involve challenging a stop or search, seeking suppression of a statement, disputing intent or possession, asserting self-defense, questioning an identification or scientific test, negotiating an acceptable resolution, or preparing for trial. No responsible lawyer can select the final strategy before reviewing the evidence.
Kissell Law Group focuses on Missouri criminal defense and identifies DWI and DUI defense as a primary practice area. Clients turn to the firm for statewide courtroom experience, advanced DWI and forensic education, individual preparation, and direct communication about the charge, available options, and next steps.
Experience does not guarantee dismissal, acquittal, retention of driving privileges, or another result. Every case depends on its facts, evidence, law, procedural history, jurisdiction, prosecutor, and judge.
Most state criminal cases arising in Wentzville are handled through the Circuit Court of St. Charles County, Missouri’s 11th Judicial Circuit. Some ordinance matters may begin in a municipal court. Review the charging documents or Case.net record to confirm the assigned court and date.
A first DWI may create criminal and driver’s-license consequences. Counsel can identify deadlines and examine the stop, arrest, testing, recordings, and police procedure.
Police generally need consent, a warrant, or a recognized legal basis for a warrantless search. Do not physically interfere, but you may clearly decline consent. A lawyer can evaluate the legality of the search afterward.
Some cases are dismissed or reduced because legal, factual, constitutional, or evidentiary problems weaken the prosecution. No outcome can be promised before the evidence and procedural history are reviewed.
A case is generally handled where the alleged offense occurred. Kissell Law Group represents residents, visitors, commuters, and travelers whose charges arise in Wentzville.
If you are under investigation or facing a DWI, drug charge, assault allegation, sexual-offense accusation, felony, misdemeanor, or other criminal matter in Wentzville, Kissell Law Group can review the allegations, explain the process, and begin developing a defense based on the evidence and your goals.
Call 314-669-4394 or contact Kissell Law Group online to request a confidential consultation.
The choice of a lawyer is an important decision and should not be based solely upon advertisements. This page provides general information and does not constitute legal advice. Reading this page or contacting the firm does not create an attorney-client relationship.