Former Cook County Felony Prosecutor
720 ILCS 5/31-1 Explained: Resisting or Obstructing a Peace Officer in Illinois
If you are searching for 720 ILCS 5/31-1, you may be dealing with a charge involving resisting or obstructing a peace officer. These cases often arise out of fast-moving situations where emotions are high, such as traffic stops, arrests, or police responses to disturbances.
While some people think of this as a minor charge, it can still carry jail time, fines, and a permanent criminal record. In many cases, the issue is not what actually happened, but how the situation was interpreted by law enforcement. Andrew M. Weisberg is a former Cook County prosecutor with decades of experience. He can walk you through the charges and what to expect in court.
What Is Resisting or Obstructing a Peace Officer Under Illinois Law?
Under 720 ILCS 5/31-1, a person commits this offense when they knowingly resist or obstruct the performance of a peace officer’s authorized duties.
This can include both physical acts and conduct that interferes with an officer’s ability to carry out their job.
Common Situations That Lead to These Charges
Resisting or obstructing charges often arise in situations such as:
- Traffic stops where a person refuses or delays compliance
- Arrest situations involving movement, pulling away, or physical resistance
- Interactions where a person argues with or challenges police actions
- Situations where someone is accused of interfering with an investigation
- Incidents where officers claim a person failed to follow commands
In many cases, what the officer describes as “resistance” may be disputed or open to interpretation.
Real Examples of Resisting or Obstructing Cases
Traffic Stop Escalation
A routine traffic stop turns into a charge when a driver hesitates or questions instructions.
Arrest Situation
A person pulls their arm away or tenses up during an arrest and is charged with resisting.
Verbal Dispute
An argument with police is interpreted as obstruction, even without physical contact.
Interference Claim
A person is accused of interfering with police activity while present at the scene.
Penalties for Resisting or Obstructing a Peace Officer
- Class A misdemeanor
- Up to 364 days in jail
- Fines up to $2,500
In some cases, additional charges may be filed depending on the circumstances.
Long-Term Consequences
- Permanent criminal record
- Impact on employment opportunities
- Potential effect on future interactions with law enforcement
- Increased scrutiny in later cases
Even though it is often charged as a misdemeanor, the long-term effects can still be significant.
How These Cases Are Being Prosecuted in Cook County
Cases involving alleged resistance to law enforcement are often taken seriously because they directly involve interactions with police officers.
Under State’s Attorney Eileen O’Neill Burke, there has been a more structured and, in some cases, more aggressive approach to prosecuting criminal cases, including those involving interactions with law enforcement.
In practice, this can mean:
- Greater reliance on police reports and officer testimony
- Increased use of body camera footage
- More detailed presentation of events at early court hearings
- Less willingness to dismiss cases without a full review of the facts
As a result, even relatively minor incidents may be pursued more seriously than in the past.
Possible Defenses to Resisting or Obstructing Charges
- The defendant did not knowingly resist or obstruct
- The officer’s actions were misinterpreted
- The defendant complied with lawful commands
- The officer was not performing an authorized duty
- Lack of clear evidence, including video or reliable witness testimony
These cases often come down to what actually happened in a fast-moving situation and how it is interpreted.
Andrew M. Weisberg: A Trusted Chicago Defense Attorney
Resisting or obstructing cases often depend heavily on the officer’s account of events. As a former Cook County prosecutor, Andrew M. Weisberg understands how these cases are built and how they can be challenged.
Key issues often include:
- Whether the conduct actually qualifies as resistance
- Whether the officer’s version of events is consistent
- Whether video or other evidence supports the charge
Mr. Weisberg uses this insight to identify weaknesses and pursue outcomes that minimize the impact on your record.
Frequently Asked Questions About 720 ILCS 5/31-1
What does resisting a peace officer mean?
It means knowingly interfering with or resisting a police officer while they are performing their duties.
Do I have to physically resist to be charged?
Not always. Some cases involve allegations of obstruction without physical contact.
Can arguing with police lead to charges?
In some situations, yes, if it is interpreted as interfering with their duties.
Is this charge serious?
Yes. While it is often a misdemeanor, it can still result in jail time and a criminal record.
Can resisting charges be dismissed?
Yes, depending on the facts and evidence, especially if there is video or conflicting accounts.
Do I need a lawyer?
Yes. These cases often depend heavily on interpretation and evidence, making legal representation important.
Contact Andrew M. Weisberg for a Free Consultation
If you are facing a charge under 720 ILCS 5/31-1, it is important to understand your options as early as possible.
Call Andrew M. Weisberg at (773) 453-9115 or use the online contact form to get in touch. All consultations are confidential, and you will speak directly with an attorney about your situation.












