Complete Criminal Defense in DuPage County

McMahon Law Offices provides comprehensive defense services for clients facing all types of criminal charges throughout DuPage County.

⚠️ ARRESTED? Call our defense hotline: 630-953-4400 - Free consultation available.

DUI Defense - Protecting Your License and Freedom

We defend against all DUI charges, from first-time offenses to complex felony cases throughout DuPage County.

Our former prosecutor experience means we understand exactly how DUI cases are built and where they can be challenged. We know which evidence prosecutors rely on most heavily and how to attack the weak points in their case.

Common DUI charges we defend:

• First-time DUI offenses and license suspension hearings
• Multiple DUI charges and felony DUI cases
• Commercial DUI and CDL protection
• Underage DUI and zero tolerance violations
• DUI with accident or injury charges

We fight every DUI charge aggressively because we know how much your driving privileges and career mean to you.

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Drug Crime Defense - Challenging Illegal Searches and Evidence

We provide complete defense against possession, trafficking, and manufacturing charges while challenging illegal police searches.

Drug cases often involve complex constitutional issues around search and seizure. Our experience as former prosecutors taught us exactly what makes evidence inadmissible and how to challenge police procedures that violate your rights.

Drug charges we defend:

• Possession of marijuana, cocaine, heroin, and prescription drugs
• Drug trafficking and distribution charges
• Drug manufacturing and cultivation cases
• Prescription drug fraud allegations
• Drug court programs and alternative sentencing

Many drug cases can be won by challenging how police obtained the evidence against you.

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Violent Crime Defense - Protecting Your Rights in Serious Cases

We defend everything from misdemeanor assault to serious felony homicide cases, protecting your constitutional rights throughout the process.

Violent crime charges carry severe penalties including lengthy prison sentences. Our team's prosecutorial background gives us insight into how these cases are evaluated and what defense strategies are most effective.

Violent crimes we defend:

• Domestic violence and domestic battery charges
• Assault and aggravated assault cases
• Armed robbery and robbery charges
• Homicide and manslaughter defense
• Weapons offenses and gun charges

Violent crime convictions can destroy your future - we fight aggressively to protect your freedom.

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Property Crime Defense - Minimizing Consequences for Theft Charges

We provide strong defense against theft, burglary, and property damage charges while working to minimize long-term consequences.

Property crimes can affect your employment, housing, and professional licenses. Our goal is not just to fight the charges, but to protect your future opportunities whenever possible.

Property crimes we defend:

• Retail theft and shoplifting charges
• Burglary and residential burglary cases
• Motor vehicle theft allegations
• Identity theft and credit card fraud
• Embezzlement and white collar theft

Property crime convictions can follow you for years - we work to minimize these long-term consequences.

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Weapons Crime Defense - Expert Defense of Illinois Gun Laws

We provide expert defense against Illinois weapons charges, FOID violations, and unlawful possession cases.

Illinois has complex and constantly changing gun laws. Our experience includes defending cases involving concealed carry violations, FOID card issues, and federal weapons charges that can carry mandatory prison sentences.

Weapons charges we defend:

• Unlawful use of weapons (UUW) charges
• FOID card violations and appeals
• Concealed carry permit violations
• Aggravated unlawful use of weapons
• Federal firearms charges

Weapons convictions often carry mandatory prison time - experienced defense is essential.

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Traffic Violation Defense - Protecting Your Driving Privileges

We provide comprehensive defense for serious traffic offenses that threaten your license and driving privileges.

While many traffic tickets seem minor, some violations can result in license suspension, job loss, and serious fines. Our team knows which violations require aggressive defense and which can be resolved through negotiation.

Traffic violations we defend:

• Reckless driving and aggressive driving charges
• Driving on suspended or revoked license
• Hit and run accident charges
• Commercial driving violations and CDL protection
• Excessive speeding and street racing charges

Some traffic violations can end your driving career - don't face them alone.

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Domestic Violence Defense - Protecting Your Rights and Reputation

We provide expert defense against domestic violence charges, domestic battery, and Order of Protection violations.

Domestic violence charges carry serious consequences including jail time, loss of gun rights, and restrictions on where you can live and work. These cases also involve complex family dynamics that require sensitive handling.

Domestic violence charges we defend:

• Domestic battery and aggravated domestic battery
• Order of Protection violations
• Stalking and harassment charges
• Child endangerment allegations
• Domestic violence with weapons charges

Domestic violence convictions affect your family, career, and constitutional rights.

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Why Choose McMahon Law Offices?

Former Prosecutor and Judge Experience

Our team includes attorneys who used to prosecute criminal cases and a former DuPage County judge. This insider knowledge gives us unique advantages in defending your case.

Local Court Experience

We practice daily in DuPage County courts and know the local judges, prosecutors, and court procedures. This familiarity often leads to better outcomes for our clients.

Aggressive Defense Strategies

We don't just process cases - we fight them. Our goal is always to get charges dismissed, reduced, or achieve the best possible outcome for your situation.

Available When You Need Us

Criminal charges don't happen on a convenient schedule. We're available 24/7 to discuss urgent matters and provide immediate guidance.

Facing Criminal Charges? Get Help Now.

Don't let criminal charges destroy your future. Our experienced defense team is ready to fight for you.

Criminal charges can affect every aspect of your life - your job, your family, your freedom, and your future opportunities. The sooner you get experienced legal help, the better we can protect your rights and build your defense.

Contact our DuPage County criminal defense team today for a free consultation. We're available 24/7 because we understand that legal emergencies don't wait for business hours.

Fill out our contact form or call us now for a free consultation.

‍Contact Information

• 24/7 Defense Hotline: 630-953-4400
• Email: info@mcmahonlegal.net
• Office Location: 2150 McDonald Dr Suite 1608, Oak Brook, IL 60523

Office Hours

• Monday – Friday: 8:00 AM – 6:00 PM
• Saturday: 9:00 AM – 3:00 PM
• Sunday: Emergency calls only

Emergency Contact: Available 24/7 for urgent criminal matters

Frequently Asked Questions

Q: Should I talk to police if I'm arrested?

‍A: No. Exercise your right to remain silent and ask for an attorney immediately. Anything you say can be used against you, even if you think you're helping your case.

Q: How much does criminal defense cost?

‍A: Legal fees depend on the complexity of your case. We offer free consultations to discuss your situation and provide transparent pricing information.

Q: Can you get my charges dismissed?

‍A: Every case is different. Our goal is always to achieve the best possible outcome, whether that's dismissal, reduction, or minimizing penalties.

Q: Do I need a lawyer for a misdemeanor charge?

‍A: Yes. Even misdemeanor convictions can affect employment, housing, and other opportunities. Experienced representation is important for all criminal charges.

Q: How quickly can you respond to an arrest?

‍A: We're available 24/7 for urgent matters. Contact us immediately if you or a family member has been arrested.

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Geographic Coverage: DuPage County (Wheaton, Naperville, Glen Ellyn, Elmhurst), Cook County, Kane County, Will County

Team Experience: Former DuPage County Prosecutor, Former DuPage County Judge, 40+ Years Combined Experience

Practice Focus: All Criminal Defense Matters, DUI Defense, Drug Crimes, Violent Crimes, Property Crimes