About Mike McMahon

Former DuPage County prosecutor now fighting for your freedom. Over 25 years of criminal law experience defending clients throughout DuPage County. Available 24/7 for criminal emergencies.

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When you're facing criminal charges in DuPage County, you need a lawyer who knows how prosecutors think and how the system really works. Mike McMahon spent years as a DuPage County prosecutor before becoming one of the area's most respected criminal defense attorneys. This unique background gives him insider knowledge that other lawyers simply don't have.

Mike McMahon has dedicated his entire legal career to criminal law in DuPage County. As a former prosecutor, he charged people with crimes and built cases for the state. Now he uses that same knowledge and experience to defend clients facing criminal charges throughout Oak Brook, Wheaton, Naperville, and all of DuPage County.

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Legal Background

• Former DuPage County Prosecutor - Years of experience charging and prosecuting criminal cases
• 25+ Years Criminal Law Experience - Defending clients since transitioning to private practice
• Thousands of Cases Handled - Experience with every type of criminal charge
• Juris Doctor with Honors - Chicago-Kent College of Law (1993)
• Bachelor's Degree Magna Cum Laude - Political Science, Loyola University of Chicago

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Professional Memberships

• DuPage County Bar Association
• Illinois State Bar Association
• Continuing legal education in advanced criminal defense strategies

How Mike's Prosecutor Background Helps Your Defense

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Insider Knowledge of How Cases Are Built

As a former prosecutor, Mike knows exactly how the state approaches criminal cases. He understands:

• How prosecutors evaluate evidence for strengths and weaknesses
• Which cases prosecutors prefer to plea bargain vs. take to trial
• What evidence prosecutors rely on most heavily
• How to effectively cross-examine police officers and expert witnesses
• Which defense arguments work with local prosecutors

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Understanding of DuPage County Courts

Mike's years in DuPage County courtrooms give him unique advantages:

• Personal relationships with judges and court staff
• Knowledge of how each judge handles different types of cases
• Understanding of local court procedures and preferences
• Experience with plea negotiation tactics that work locally
• Insight into which defense strategies resonate with DuPage County juries

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Trial Experience from Both Sides

Mike's prosecutorial background combined with his defense experience gives him unmatched trial skills:

• Knows how to build compelling defense cases
• Understands jury selection and what arguments persuade
• Experience presenting evidence effectively
• Skilled at cross-examining prosecution witnesses
• Knows when to negotiate and when to fight at trial

Criminal Charges Mike Defends

Mike handles all types of criminal charges throughout DuPage County, including:

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DUI and Traffic Crimes

• First-time and repeat DUI offenses
• Aggravated DUI charges
• Driving on suspended license
• Reckless driving
• Commercial driver violations

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Drug Crimes

• Drug possession charges
• Drug trafficking and distribution
• Prescription drug fraud
• Drug manufacturing
• Federal drug conspiracy cases

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Violent Crimes

• Assault and battery
• Domestic violence
• Armed robbery
• Weapons charges
• Homicide defense

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Property Crimes

• Theft and shoplifting
• Burglary charges
• Identity theft
• Financial fraud
• Embezzlement

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White Collar Crimes

• Fraud investigations
• Tax evasion
• Money laundering
• Professional license violations

Mike's Approach to Criminal Defense

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Thorough Case Investigation

Every case gets comprehensive review of all evidence, police procedures, and witness statements. Mike looks for constitutional violations, procedural errors, and weaknesses in the prosecution's case that can lead to dismissals or reduced charges.

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Strategic Defense Planning

Drawing on his prosecutorial experience, Mike develops defense strategies that directly counter the state's strongest arguments. He knows what prosecutors expect and how to surprise them with effective defenses they haven't anticipated.

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Aggressive Advocacy

Whether negotiating plea agreements or fighting at trial, Mike advocates aggressively for every client. His prosecutorial background gives him credibility with judges and prosecutors that translates into better outcomes for his clients.

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Clear Communication

Mike explains legal options and potential outcomes in plain English so clients can make informed decisions about their cases. Regular updates keep clients informed throughout the entire process.

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Why Clients Choose Mike McMahon

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Proven Track Record

Mike has successfully defended thousands of criminal cases with dismissals, not guilty verdicts, and reduced charges. His clients avoid jail time, keep their professional licenses, and protect their futures.

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Available When You Need Help

Criminal arrests happen at any time. Mike is available 24/7 for emergency consultations, jail release assistance, and immediate case evaluation.

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Personalized Attention

Every client receives Mike's personal attention and direct involvement in their case. You work directly with an experienced attorney, not assistants or paralegals.

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Flexible Payment Options

Quality criminal defense shouldn't be limited by financial constraints. Mike offers payment plans to make experienced representation accessible when you need it most.