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Mount Prospect, IL

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Last Updated: November 5, 2026

Mount Prospect, IL Assault Lawyer. You can face assault charges in Mount Prospect, IL after an argument, even if it never turns into a physical fight. Nobody has to suffer an injury or even be physically touched for police to make an arrest. The circumstances surrounding an argument can be just as important as the accusation itself, and those details aren’t always included in the police report.

The Mount Prospect, IL assault lawyers with Combs Waterkotte represent people charged with everything from misdemeanor assault to aggravated assault and other violent crime charges. Our lawyers and private investigator will look into what happened before police arrived, examine the evidence collected, and prepare to defend you in court. Whether you’re accused of threatening someone or using a weapon during a confrontation, our job is to protect your freedom and fight for the best available outcome.

Want to discuss your case with an attorney? Call (314) 900-HELP or contact Combs Waterkotte online for a free, confidential consultation.


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On this page:

  • How Illinois defines assault and why it isn’t the same as battery
  • The circumstances that can lead to aggravated assault charges
  • Jail time, prison sentences, and other possible consequences of an assault conviction
  • Common defenses against assault charges
  • What you should know and do after an assault arrest
  • What Combs Waterkotte does to prepare your assault defense
  • Common questions about Illinois assault law and criminal charges in Mount Prospect, IL


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What Counts as Assault Under Illinois Law?

You don’t have to hit someone to be charged with assault. Under 720 ILCS 5/12-1, knowingly acting in a way that makes another person reasonably expect an immediate physical attack can be enough. An assault accusation can result in criminal charges even when the confrontation ends without anyone being touched or hurt.

For example, raising a fist and advancing toward someone during an argument could support an assault accusation even if you pull back or another person stops you before anyone is hit. An arrest is not proof of guilt. To convict you, the prosecution must demonstrate that your actions satisfied the legal requirements for assault beyond a reasonable doubt.

An accusation that you frightened or intimidated someone isn’t necessarily enough to prove assault under Illinois law. The words exchanged, the distance between you and the other person, what you were each doing, and the surrounding circumstances can help explain the encounter. We’ll look at the full sequence of events, including anything that happened before a witness started watching or someone began recording.

Understanding Assault and Battery Charges in Mount Prospect, IL

If someone says they were assaulted, you might assume they were punched, shoved, or otherwise physically attacked. In Illinois, however, that kind of conduct generally falls under “battery.”

According to Illinois law, assault involves conduct that makes another person reasonably believe they’re about to be physically attacked, even if no contact occurs.

Under the state’s battery statute, someone commits battery if they actually intentionally cause physical harm to another person, or if they touch someone in a way that’s meant to insult, anger, or provoke them.

An accusation involving physical contact with someone in your family or household may fall under Illinois’s domestic battery laws rather than the general battery statute.

Examples of behavior that could be considered assault:

  • Getting in someone’s face with your fist raised while threatening to hit them
  • Attempting to punch someone but failing to land the blow
  • Making an aggressive movement toward someone that causes them to expect an immediate attack
  • Holding up an object while threatening to strike someone

Examples of behavior that could be considered battery:

  • Punching, slapping, or kicking someone
  • Pushing another person in the middle of a disagreement
  • Taking hold of another person’s shirt or arm during a confrontation in an insulting or provoking manner
  • Spitting on someone, even if it causes no injury

When Does Fear of Being Attacked Qualify as Reasonable Apprehension?

To establish reasonable apprehension, the circumstances must support the belief that an attack was about to occur. Illinois uses the reasonable person standard to evaluate that belief. Someone can genuinely feel threatened without their fear necessarily meeting the legal standard for assault. Determining whether that fear was reasonable requires examining the entire encounter. Your Mount Prospect, IL assault lawyers can challenge the accusation by looking at the alleged threats, the actions involved, the distance between the parties, and whether any physical confrontation appeared likely to happen immediately.

There are circumstances where a person could reasonably believe they’re about to be attacked. For example:

  • A person approaches close enough to strike, lifts their fist, and threatens to hit the other person
  • Someone moves toward another person with a baseball bat raised in a threatening way
  • Someone stands in another person’s way, threatens physical harm, and raises an object in preparation for a possible attack

There are also situations where a court could find that the alleged threat wasn’t immediate or serious enough to support an assault conviction:

  • An individual says they’re going to hit someone while moving away from them, with closed doors between them and no indication of an immediate physical attack
  • Someone says they might hurt another person at some unspecified point in the future, without suggesting they’re about to act
  • Someone shouts insults from across a parking lot but makes no threatening movements or attempts to approach them

In People v. Taylor (2015), a woman threatened to beat up a sheriff’s deputy while leaving a courthouse. Although the woman never physically attacked the deputy, the deputy said she feared being harmed, and the case resulted in an aggravated assault conviction.

On appeal, the woman’s aggravated assault conviction was reversed. At the time of the threat, the woman wasn’t carrying a weapon or making threatening movements. Closed doors also separated her from the deputy. The court found that the circumstances didn’t support a reasonable belief that the woman was about to physically attack the deputy, even though the deputy said she was frightened.

When Can You Be Charged with Aggravated Assault in Mount Prospect, IL?

Not every assault allegation carries the same consequences. Illinois’s aggravated assault statute identifies several factors that can make the offense more serious, including:

  1. Public places and protected locations: Where an alleged assault occurs can affect the charges. Incidents on public streets, other public property, or at certain venues and religious facilities may qualify as aggravated assault.
  2. Certain protected individuals: The identity or status of the person allegedly threatened can also affect the offense. State law recognizes aggravating circumstances involving older adults, people with physical disabilities, and certain employees or public servants.
  3. Weapons involved in the confrontation: Illinois law addresses assaults involving more than conventional firearms. Certain circumstances involving a deadly weapon, an air rifle, or an object designed to look substantially like a gun may constitute aggravated assault.
  4. Certain firearm and vehicle offenses: Certain aggravated assault offenses involve the discharge of a firearm or the use of a vehicle. For example, driving toward someone in a way that makes them reasonably fear being struck may support an aggravated charge.

Aggravated assault is not always a felony. Illinois classifies it as a Class A misdemeanor, Class 4 felony, or Class 3 felony depending on the specifics of the case. The prosecution must establish the facts that justify the more serious charge. Your Mount Prospect, IL assault lawyer can investigate those claims and determine whether the evidence actually supports the alleged aggravating factors.



Penalties for Assault in Mount Prospect, IL

Simple assault is a Class C misdemeanor. Aggravated assault carries a wider range of penalties. Under Illinois sentencing law, the ordinary incarceration ranges and maximum fines are:

Charge Classification Standard Jail or Prison Exposure Maximum Fine
Simple assault Class C misdemeanor Up to 30 days in jail $1,500
Aggravated assault Class A misdemeanor Less than one year in jail $2,500
Aggravated assault Class 4 felony 1 to 3 years in prison $25,000
Aggravated assault Class 3 felony 2 to 5 years in prison $25,000

The penalties listed above are the standard sentencing ranges for each offense, but they don’t necessarily reflect what you’ll receive. Extended-term sentencing can increase felony prison exposure. Not every conviction requires time behind bars. Depending on your circumstances, you may qualify for probation or another sentencing alternative. You may also be responsible for court costs and other expenses associated with the case.

For simple assault, the statute also requires 30 to 120 hours of community service when an approved, county-funded program is available and your sentence does not include jail time. The same community service requirement applies when the court orders supervision for simple assault.

Any proposed plea should be carefully reviewed, particularly when it comes to whether you’ll have a conviction on your record. Staying out of jail doesn’t necessarily mean keeping your record clean, and the terms of a plea agreement can make a substantial difference.

Defending Against Assault Accusations in Mount Prospect, IL

A police report is the starting point for an investigation, not the final account of what happened. Rather than accepting the allegations at face value, our Mount Prospect, IL criminal defense attorneys review the evidence for conflicting accounts, missing details, and information that challenges the prosecution’s version of events.

That could mean obtaining a business’s surveillance footage, reviewing the full text-message conversation, or finding a witness who saw the beginning of the dispute. A recording that starts halfway through an encounter may show your reaction without showing what prompted it. Our goal is to establish what the evidence shows when the entire incident is considered.

Examine Whether the Prosecution Can Prove Assault

Illinois law requires more than an accusation of threatening behavior. The state must prove the knowing conduct and reasonable apprehension required for assault. We examine the specific movements, statements, and circumstances being offered as proof. We want to know whether witnesses personally observed the alleged threat, whether your actions were directed at the other person, and whether any recordings support or contradict what officers documented.

The circumstances may show that you never knowingly engaged in the behavior prosecutors claim was threatening. That can create a significant issue with their case. It’s also important to understand that you can be charged without intending to make physical contact. The question is whether your conduct satisfied the elements of assault, not whether you ultimately planned to hit someone. Our strategy is to identify which elements prosecutors can actually support and where their evidence falls short.

Show That You Were Protecting Yourself or Someone Else

If you reasonably believe someone is about to use unlawful force against you or another person, Illinois law may allow you to defend yourself or that person. The force used must be justified by the circumstances. The amount and type of force matter, especially when the response is intended or likely to cause death or great bodily harm.

The circumstances surrounding the encounter are critical. That includes whether someone else initiated the aggression, whether the danger was imminent, and whether your actions were a reasonable response. A self-defense claim can be stronger when it’s supported by something beyond your word. Our investigation focuses on finding that supporting evidence. For example, threatening messages, statements from people who witnessed the dispute, or video footage may help explain why you felt the need to protect yourself.

Challenge Unreliable or Incomplete Witness Testimony

A witness who heard shouting from another room doesn’t have the same information as someone who watched the entire encounter. We want to know exactly what each witness saw, where they were standing, and whether their version of events has remained consistent.

The relationship between the accused and the alleged victim can also be relevant. We may examine prior disputes or communications to better understand the circumstances surrounding the accusation. That doesn’t mean every accusation arising from a personal dispute is fabricated. The evidence still needs to be examined. Rather than relying on speculation about someone’s motives, we investigate inconsistencies and pursue evidence that can support your case.

Challenge Whether the Assault Qualifies as Aggravated

An aggravated assault conviction requires more than proof of ordinary assault. Prosecutors must also establish the circumstances that make the offense aggravated. The details of the alleged aggravating circumstance matter. We look at the type of weapon involved, the setting of the incident, and whether the evidence supports any required knowledge of the alleged victim’s age, occupation, or other protected status.

A fact that supports one subsection doesn’t necessarily support another. Removing an unsupported aggravating allegation may change how the case is prosecuted and reduce the potential consequences of a conviction.



Steps to Take if You’re Arrested for Assault in Mount Prospect, IL

Being arrested for assault can be frustrating, particularly when you believe the other person is lying or the police have misunderstood what happened. Resist the urge to explain everything to investigators before you’ve had a chance to consult a criminal defense lawyer. Something you say in an attempt to defend yourself could end up hurting your case. That’s why it’s important to know what you should and shouldn’t say to police after an arrest.

  • Exercise your right to remain silent. You don’t have to try to talk your way out of an arrest. If police question you in custody, exercise your Miranda rights and ask to speak with an attorney before answering questions.
  • Keep anything that could support your defense. Don’t start deleting texts, clearing your call history, or removing photos because you’re worried about how they might look. Your lawyer needs the complete evidence, including anything that could potentially hurt your case.
  • Make a list of potential witnesses. Someone may have witnessed the entire argument, or a nearby camera might have captured something the police missed. Let your lawyer know about potential witnesses and recordings before memories fade or footage is erased.
  • Comply with your release conditions. Don’t assume it’s okay to contact the alleged victim just because they reach out to you first. Follow all no-contact orders and release conditions until the court officially changes them.
  • Keep the dispute off social media. Resist the temptation to tell everyone what really happened on social media. Prosecutors may examine your posts, and having friends contact the alleged victim on your behalf could create additional problems.


Under Illinois’s current pretrial system, defendants generally cannot be required to post monetary bail to get out of jail while their cases are pending. Under its pretrial release laws, detention requires legal grounds and a hearing; an assault accusation does not automatically mean you will remain in jail until trial. A judge can still place restrictions on your release, including orders to stay away from certain people.

There’s more to defending an assault case than appearing at court hearings. Your Mount Prospect, IL assault defense attorney investigates the evidence, challenges legal or procedural issues when appropriate, and helps you decide how to proceed based on the prosecution’s case. Don’t miss court appearances, and keep your lawyer informed if you discover new evidence or anything changes with your case.

Why Hire Combs Waterkotte for Assault Charges in Mount Prospect, IL?

Combs Waterkotte handles criminal cases across a wide range of severity, from relatively minor offenses to felonies carrying years in prison. Our defense attorneys draw on more than 100 years of combined legal experience when representing the people who hire us. We have a former prosecutor on our team, bringing experience from the other side of the courtroom and an understanding of how the state approaches criminal cases. Rather than relying entirely on what law enforcement collected, we have a dedicated investigator who can look for additional evidence and examine details that may have been overlooked.

When you hire Combs Waterkotte, you can communicate directly with your attorney. You’ll even have their personal cell phone number instead of having to go through an office every time you need something. If the prosecutor makes an offer or you need to know what to expect at your next hearing, you shouldn’t have to explain your entire case to someone who’s never worked on it.

We prepare every case for trial even while pursuing opportunities for dismissal, reduced charges, or another favorable outcome. You’ll know what the prosecution has against you, what could happen if the case goes to trial, and what you’re agreeing to if you consider a negotiated resolution. You won’t have to guess why we’re recommending a particular approach.



Mount Prospect, IL Assault Lawyer FAQs

Can Someone Decide Not to Press Assault Charges?

The alleged victim can tell prosecutors they don’t want the case to continue, but they don’t control that decision. Prosecutors have the authority to dismiss criminal charges in Mount Prospect, IL, and a witness changing their story could affect whether the state has enough evidence to proceed. Don’t assume the case is over or that you’re free to contact the other person simply because they no longer want to pursue the allegations.

Can You Go to Jail for Your First Assault Charge in Illinois?

Even if this is your first criminal offense, jail remains a potential consequence of an assault conviction. That doesn’t mean it’s inevitable. The exact charge, the facts, and your eligibility for alternative dispositions all matter. Depending on your situation, a criminal defense attorney may be able to pursue alternatives such as supervision, probation, or a negotiated reduction in the charges.

Does Court Supervision Keep an Assault Conviction Off Your Record?

Illinois allows court supervision for qualifying misdemeanor offenses, which may provide an alternative to a criminal conviction. Completing court supervision successfully typically allows the case to be dismissed without a criminal conviction being entered. This option generally applies to eligible misdemeanors, not felonies. You should also understand that avoiding a conviction doesn’t necessarily mean the record of your arrest or court proceedings disappears. Whether you qualify depends on the details of your case and the applicable legal requirements.

Should I Hire a Lawyer if Police Are Investigating an Assault?

There’s no reason to wait for formal charges. A criminal defense attorney can explain your rights and help you decide how to handle police questioning before any charges are officially filed. The sooner your lawyer gets involved, the sooner they can begin gathering evidence, contacting potential witnesses, and working to preserve surveillance footage or other recordings.

Do Most Assault Cases in Illinois Go to Trial?

An assault charge doesn’t automatically mean you’ll have to defend yourself before a jury. However, a trial may be necessary depending on the circumstances. Depending on the evidence and available options, a case may also end through dismissal or a negotiated resolution. Our lawyers examine each potential outcome while building a defense capable of challenging the allegations in court. A plea agreement can have consequences beyond the immediate sentence, so your attorney should explain those effects before you make a decision.

Other case types we handle in Mount Prospect, IL include:

Get Help From a Mount Prospect, IL Assault Attorney

An assault allegation can leave out important details about what happened. You deserve an attorney who will investigate those details and fight for your side of the story. If you’re under investigation or already facing assault charges, Combs Waterkotte can help you understand your options and begin preparing your defense.

Our attorneys are ready to discuss your situation. Call (314) 900-HELP or reach out online to arrange a free, confidential consultation with a Mount Prospect, IL assault lawyer. We’ll want to hear about the incident, the allegations against you, and any upcoming hearings or court dates. We’ll help you understand what comes next.

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Get In Touch:

St. Louis

Main Office

(314) 900-HELP

Get Directions

Clayton

By Appointment Only

(314) 900-HELP

Get Directions

Kansas City

By Appointment Only

(913) 77-CRIME

Get Directions

Southern IL

By Appointment Only

(618) 88-CRIME

Get Directions

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Get Directions

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