Former Cook County Felony Prosecutor
Felony Defense Lawyer Chicago
Facing Felony Charges in Chicago?
Being charged with a felony offense in Chicago can place your freedom, reputation, career, and future at serious risk. Felony charges in Illinois often carry severe penalties, including lengthy prison sentences, substantial fines, mandatory supervised release, and a permanent criminal record.
Unlike misdemeanors, which are generally considered less serious offenses punishable by probation, fines, or up to one year in jail, felony offenses can result in prison sentences ranging from one year to life imprisonment depending on the class of felony and the circumstances of the alleged offense.
Andrew M. Weisberg is a Chicago criminal defense attorney and former Cook County prosecutor who represents individuals facing serious criminal charges throughout Cook County and the Chicago area. As a former prosecutor, he understands how the state builds criminal cases and how prosecutors attempt to prove felony allegations in court.
If you are under investigation, have been arrested, or are facing formal criminal charges, seeking legal representation immediately can make a significant difference in the outcome of your case.
Understanding Felony Charges Under Illinois Law
Illinois criminal charges are generally divided into misdemeanors and felonies.
Misdemeanor offenses are less serious crimes in Illinois and can result in penalties such as:
- Fines
- Probation
- Community service
- Up to one year in jail
Felony charges are significantly more serious and can lead to:
- Prison sentences ranging from one year to life
- Large financial penalties
- Mandatory sentencing requirements
- Permanent criminal convictions
- Long-term collateral consequences
Under Illinois law, felonies are classified by severity:
- Class 4 Felony
- Class 3 Felony
- Class 2 Felony
- Class 1 Felony
- Class X Felony
Class 4 felony offenses are the least severe felony charges, while Class X felony offenses are among the most serious crimes prosecuted in Illinois short of murder.
Felony charges in Illinois can result in severe penalties, including prison sentences ranging from one year to life depending on the class of felony involved.
State Charges vs. Federal Charges
Criminal charges may proceed in either Illinois state court or federal court.
Federal criminal cases typically involve:
- Federal prosecutors
- Federal agencies
- Mandatory minimum sentences
- Federal sentencing guidelines
- Harsher penalties
- Extensive investigations
Federal charges often involve alleged criminal activity crossing state lines or investigations conducted by federal agencies such as the FBI, DEA, Homeland Security, or federal prosecutors, making it critical to work with an experienced Chicago criminal defense lawyer.
Federal criminal defense requires entirely different procedures and strategies than state criminal defense. Federal courts operate under separate rules, procedures, and sentencing systems.
Common Felony Cases in Chicago
A Chicago criminal defense lawyer handling a wide range of criminal law matters may handle felony cases involving:
- Drug crimes
- Drug trafficking
- Weapons charges
- Sex crimes
- Sexual assault
- Aggravated battery
- Theft charges
- Property crimes
- White collar crimes
- Money laundering
- Violent offenses
- Controlled substance cases
- Federal charges
Many felony offenses also involve allegations of great bodily harm, use of weapons, or claims involving an alleged victim, all of which can increase sentencing exposure.
What Happens After a Felony Arrest?
After an arrest, a person is usually taken to a local police department for booking and processing. During this stage, police officers may:
- Obtain personal information
- Review criminal history
- Prepare police reports
- Conduct interrogations
- Gather witness statements
- Request searches of phones or property
Individuals should remember that they are not required to answer questions asked by law enforcement officers other than providing basic identifying information. Police officers typically read Miranda rights before custodial questioning begins.
One of the most important constitutional rights a person has is the right to remain silent and request an attorney present before answering questions.
A person generally cannot be held in police custody for more than 48 hours without appearing before a judge.
Bond Court and Preliminary Hearings
After a felony arrest, the accused will usually appear in court for an initial hearing or bond hearing.
During this stage:
- The judge reviews whether probable cause existed for the arrest
- Prosecutors outline the allegations
- Bond conditions may be set
- A defendant may be required to post bail
- Court dates are assigned
At a preliminary hearing, witnesses may testify, including the arresting officer, and the judge determines whether sufficient evidence exists for the felony case to continue.
Why Early Legal Intervention Matters
Early legal intervention can significantly impact felony cases.
An experienced criminal defense attorney can immediately begin:
- Reviewing police reports
- Conducting independent investigations
- Preserving surveillance footage
- Challenging search warrants
- Interviewing witnesses
- Evaluating constitutional violations
- Reviewing witness statements
- Examining the prosecution’s case
Felony defense lawyers serve as dedicated advocates and guides throughout the criminal justice process.
Because felony defense requires a substantial time investment, some attorneys charge flat fees while others charge hourly rates. Clients should clearly understand what is included in any fee agreement to avoid confusion later in the legal process.
Effective communication is critical during felony cases, and expectations should be clearly established during the initial consultation.
Defense Strategies in Felony Cases
Every felony case requires a carefully tailored defense strategy.
Common defense strategies include:
- Challenging the legality of the arrest
- Challenging improper police procedures
- Contesting unlawful searches and seizures
- Attacking unreliable witness testimony
- Presenting alibi evidence
- Challenging forensic evidence
- Raising reasonable doubt
- Challenging insufficient evidence
A good defense attorney’s role is often to raise doubt regarding a defendant’s involvement in the alleged offense.
Felony defense attorneys also work to negotiate favorable outcomes when appropriate, including:
- Reduced charges
- Diversion programs
- Conditional dismissals
- Probation
- Community service resolutions
- Plea agreements
In many felony cases, effective negotiations with prosecutors may help avoid a lasting criminal record.
The Importance of Local Cook County Experience
Choosing a criminal defense lawyer with extensive Cook County court experience familiar with the specific Cook County courthouse handling the case is extremely important.
A skilled local attorney should understand:
- Local judges
- Prosecutors
- Court procedures
- Negotiation practices
- Sentencing tendencies
- Diversion opportunities
Relationships and familiarity with local courtroom procedures can play a major role in achieving favorable outcomes.
Many defendants also evaluate attorneys based on trial experience, including how many felony jury trials they have taken to verdict and the attorney’s track record of successful case results.
The Long-Term Consequences of a Felony Conviction
A felony conviction in Chicago can affect nearly every aspect of a person’s future.
Potential collateral consequences include:
- Employment barriers
- Housing difficulties
- Loss of firearm rights
- Loss of professional licenses
- Immigration consequences
- Damage to reputation
- Financial hardship
In addition to prison time, felony convictions may also result in substantial fines reaching tens or even hundreds of thousands of dollars depending on the offense.
Unlike some misdemeanor offenses, felony convictions often create permanent criminal records that can continue affecting a person long after a prison sentence ends.
Why Former Prosecutor Experience Matters
Many effective criminal defense attorneys are former prosecutors who understand how the state builds criminal cases.
Andrew M. Weisberg previously worked as a Cook County prosecutor and now uses that experience to defend individuals accused of felony offenses.
That experience allows him to:
- Analyze prosecution strategies
- Identify weaknesses in evidence
- Challenge police investigations
- Negotiate effectively with prosecutors
- Prepare strong trial defenses
Felony defense lawyers protect constitutional rights, challenge improper police procedures, investigate evidence, and defend clients aggressively both in and out of court.
Choosing the Right Felony Defense Lawyer
When facing felony charges, defendants should consider:
- Trial experience
- Experience representing clients in felony cases
- Familiarity with Cook County courts
- Communication style
- Federal criminal defense experience
- Knowledge of Illinois criminal law
- Defense strategy approach
The Chicago Bar Association also offers a Lawyer Referral Service that connects individuals with screened criminal defense attorneys in Cook County, and many people also consider client reviews of criminal defense lawyers when making their decision.
Contact Chicago Felony Defense Attorney Andrew M. Weisberg
If you or a loved one is facing felony charges in Chicago, Cook County, or the surrounding areas, do not wait to seek legal help.
Felony cases move quickly, and early legal representation may help preserve defenses, challenge the prosecution’s evidence, and improve the chances of a favorable outcome.
Andrew M. Weisberg provides aggressive, experienced criminal defense representation for clients facing serious criminal charges throughout Chicago and the surrounding areas he serves.
Call (773) 908-9811 today for a free consultation or complete the online contact form to discuss your case directly with an experienced Chicago criminal defense lawyer.




















