Murder / Homicide Defense Lawyer in Cook County, IL. A homicide investigation in Illinois can be well underway before anyone is arrested. Detectives may already have interviewed witnesses, searched phones, collected surveillance video, compared firearms evidence, and settled on a theory of what happened. By the time they ask for “your side,” they may be looking for statements that fit that theory.
Trying to explain your way out of a murder investigation can make the situation worse. Speak with a defense lawyer before you answer questions. People accused of murder or another homicide offense in Cook County, IL can turn to Combs Waterkotte for defense throughout the Illinois court process. Our criminal defense attorneys in Cook County, IL act quickly to protect clients before charges are filed and throughout every stage that follows. Dial (314) 900-HELP for a private case review at no cost.
Cases Handled
Over 10,000
Jail Days Saved
Over 1 Million
Google Reviews
500+ Perfect
Legal Experience
100+ Years
On this page:
- First-degree murder, second-degree murder, felony murder, and other homicide charges
- The facts the State must prove to obtain a murder conviction in Illinois
- Prison sentences and firearm enhancements
- Defenses to murder and homicide charges
- What to do if police believe you were involved in a homicide
- What happens after a murder arrest in Cook County, IL
- The work our defense team does before a homicide case reaches trial
Legal Videos
Everything You Need to Know About Felony Charges in Illinois
Everything You Need to Know About Felony Charges in the State of Illinois. Attorneys Steve Waterkotte and Joshua Boardman from Combs Waterkotte discuss everything you need to know about Illinois …
Can I Seal or Expunge My Criminal Record in Illinois?
Can I Seal or Expunge My Criminal Record in Illinois? Dealing with a criminal record in the state of Illinois? Combs Waterkotte attorney Joshua Boardman discusses the possibility of expunging your …
Can the Police Legally Search Me or My Property in Illinois?
Can the Police Legally Search Me or My Property in Illinois? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Joshua Boardman discusses probable cause and when police can …
Do I Need a Lawyer if I’m Innocent in Illinois?
Do I Need a Lawyer if I'm Innocent in Illinois? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Andrew Russek talks about it being more important to have a lawyer if …
What Penalties Could I Face Under Illinois Law?
What Penalties Could I Face Under Illinois Law? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Joshua Boardman talks about the possible penalties under Illinois …
What Are My Rights if I’m Arrested in Illinois?
What Are My Rights if I'm Arrested in Illinois? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Joshua Boardman discusses your rights following an arrest in …
Everything You Need to Know About Felony Charges in Illinois
Everything You Need to Know About Felony Charges in the State of Illinois. Attorneys Steve Waterkotte and Joshua Boardman from Combs Waterkotte discuss everything you need to know about Illinois …
Can I Seal or Expunge My Criminal Record in Illinois?
Can I Seal or Expunge My Criminal Record in Illinois? Dealing with a criminal record in the state of Illinois? Combs Waterkotte attorney Joshua Boardman discusses the possibility of expunging your …
Can the Police Legally Search Me or My Property in Illinois?
Can the Police Legally Search Me or My Property in Illinois? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Joshua Boardman discusses probable cause and when police can …
Do I Need a Lawyer if I’m Innocent in Illinois?
Do I Need a Lawyer if I'm Innocent in Illinois? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Andrew Russek talks about it being more important to have a lawyer if …
What Penalties Could I Face Under Illinois Law?
What Penalties Could I Face Under Illinois Law? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Joshua Boardman talks about the possible penalties under Illinois …
What Are My Rights if I’m Arrested in Illinois?
What Are My Rights if I'm Arrested in Illinois? Facing criminal charges in the state of Illinois? Combs Waterkotte attorney Joshua Boardman discusses your rights following an arrest in …
What to Do During a Murder Investigation in Cook County, IL
You may already be a focus of a homicide investigation even if no one has arrested you or used the word “suspect.” Investigators might request a voluntary interview, ask for your device, or suggest that a short conversation will settle a few loose ends. How detectives describe the conversation may have little to do with the role they believe you played.
If police are asking about a death and there is any possibility they believe you were involved, speak with a lawyer before answering questions. Cooperating without counsel is not a safe way to fix a misunderstanding, challenge someone else’s story, or demonstrate your innocence. An answer that feels minor can become central once police compare it with footage, device records, witness statements, or forensic findings.
Bringing in counsel early allows the defense to protect evidence while the investigation is still active. Counsel may move to preserve video, locate people with useful information, secure records, document injuries, review search authority, and track property seized by police. In a serious homicide case, some of the most useful defense work can happen before the first court date.
If police have already arrested you, keep the details between you and your attorney. Conversations with officers, cellmates, or anyone on a jail phone may be used against you. Prosecutors and investigators are already working on the case against you. Your defense needs to begin its own work immediately.
Murder and Homicide Charges We Handle in Cook County, IL
“Homicide” broadly refers to one person causing the death of another. The exact charge depends on what prosecutors say the accused person intended, what conduct caused the death, whether another felony was underway, and whether facts involving justification, provocation, recklessness, drugs, or a vehicle are present.
Our Cook County, IL homicide defense team handles allegations involving:
- Murder in the first degree: Allegedly intending to kill or seriously injure someone, knowingly creating a strong chance of death or serious injury, or causing a death during specified forcible felonies.
- A felony-murder allegation: When someone dies during certain serious felonies, even if the accused person did not personally cause the death.
- Second-degree murder: A case that meets the basic requirements of first-degree murder but includes serious provocation or an honest, unreasonable belief that deadly force was justified.
- Attempted murder in the first degree: Trying to kill someone and taking a real step toward doing so, even though the person survives.
- Helping or taking part in another person’s crime: Illinois law can hold someone responsible for murder based on assistance or participation, even when another person caused the fatal injury. These cases often rest on claims that the person assisted with planning, supported the crime, or helped it happen.
- Illinois involuntary manslaughter and Illinois reckless homicide: Unintentional deaths that prosecutors say resulted from reckless conduct. When a vehicle is involved, the charge may be reckless homicide rather than involuntary manslaughter.
- Drug-induced homicide: A case in which the State connects an illegal drug delivery to another person’s fatal overdose.
- Related murder and obstruction allegations: A murder-for-hire accusation, soliciting a killing, conspiring with others, concealing a death, firearm and weapons offenses, and interfering with the investigation.
Prosecutors must still establish every required part of the charge through legally admissible proof. Sometimes the central issue is whether the State has accused the right person. In another, the dispute may involve intent, cause of death, self-defense, accountability, or the felony used to support a felony-murder charge.
What the State Must Prove for First-Degree Murder in Cook County, IL
Illinois defines first-degree murder in 720 ILCS 5/9-1 using three different sets of circumstances. Prosecutors can pursue the charge by claiming the person:
- meant to kill or seriously injure someone, or knew the conduct would result in death;
- knew the actions were highly likely to kill someone or cause great bodily harm; or
- took part in a qualifying forcible felony and a death was caused by the accused or another person involved.
The State may try to prove intent or knowledge through surrounding facts, including statements, weapons, injury patterns, prior communications, behavior leading up to the death, and what the accused did next. Those facts can support more than one interpretation. A defense lawyer can challenge the distance between the actual proof and the conclusions prosecutors want jurors to draw.
Understanding Second-Degree Murder in Cook County, IL
Second-degree murder in Illinois is not simply a less serious version of first-degree murder. The State must still establish the elements of intentional or knowing first-degree murder. The defense can seek a second-degree murder finding by establishing either of these two circumstances:
- The person acted in a sudden and intense emotional state after being seriously provoked; or
- The person honestly believed deadly force was necessary to defend themselves or someone else, but that belief was not considered reasonable under the law.
Illinois explains these requirements in Illinois law under 720 ILCS 5/9-2. Prosecutors still have to prove the underlying murder charge beyond a reasonable doubt. When lawful self-defense is raised, prosecutors may also need to establish that the use of deadly force was not justified.
Small details can make a major difference in these cases. Lawyers may need to examine threats, injuries, the display of a weapon, witness accounts, 911 recordings, and each movement before the fatal act. Depending on the evidence, the case may involve lawful self-defense, second-degree murder, a different homicide offense, or no criminal conduct.
Prison Sentences for Murder and Homicide in Illinois
A first-degree murder conviction ordinarily carries 20 to 60 years in prison under the Illinois first-degree murder sentencing statute. If an extended sentence applies, the range can increase to 60 to 100 years, while some circumstances allow or require a natural-life sentence. Probation and conditional discharge are not available. The official Illinois sentencing statute sets out the applicable prison terms.
An allegation involving a gun can add many years to the sentence for first-degree murder. Being armed can add 15 years, personally firing the weapon can add 20 years, and causing great bodily harm, permanent disability, permanent disfigurement, or death by firing it can add 25 years to natural life. A murder case can also include separate Illinois gun crime charges, based on who allegedly possessed or used the firearm.
- Illinois attempted first-degree murder: The normal sentencing range is 6 to 30 years because attempted first-degree murder is usually treated as a Class X felony. Aggravating facts and firearm allegations may add substantial prison time.
- Second-degree murder: Illinois treats it as a Class 1 felony but uses a special sentencing range of 4 to 20 years under Illinois law for Class 1 felony sentences.
- Sentences for involuntary manslaughter and reckless homicide: Under Illinois involuntary manslaughter and reckless homicide law, these offenses are generally Class 3 felonies, carrying 2 to 5 years in prison. Certain circumstances can raise the charge to a Class 2 felony, which carries 3 to 7 years in prison. This can happen in some cases involving multiple deaths, peace officers, emergency responders, construction zones, school crossing guards, or family or household members.
- Drug-induced homicide: Illinois law on drug-induced homicide applies when someone unlawfully delivers certain controlled substances and another person dies after using those drugs. It is a Class X felony, with some cases carrying 15 to 30 years in prison and an extended-term sentence of 30 to 60 years.
How Murder and Homicide Charges Can Be Defended in Cook County, IL
No single defense applies to every murder or homicide accusation. A workable strategy depends on what prosecutors charged, what their evidence actually shows, and what the defense investigation uncovers. Several issues appear often.
Self-Defense or Defense of Another Person
Under Illinois law on self-defense and defense of others, a person can use force when they reasonably believe it is necessary to protect themselves or someone else from the immediate threat of unlawful force. A person may use deadly force only if they reasonably believe it is necessary to prevent death, severe bodily injury, or the commission of specified serious felonies.
A self-defense claim depends on the evidence surrounding the encounter, not simply on saying the act was self-defense. Whether the belief was reasonable can depend on threats, wounds, weapons, distances, prior behavior known to the accused, witness accounts, and what happened second by second.
The Wrong Person Was Accused
An identification is not automatically reliable because a witness sounds certain. A witness may have identified general features or clothing rather than the person who actually caused the death. Digital evidence may place a device near an area without identifying its user. Another person may have motive, access, or possession of the weapon. A defense investigation can test the State’s identification against alibi evidence, video, timestamps, records, and witnesses the police overlooked.
The State Cannot Prove Intent or Knowledge
The fact that someone died does not automatically prove first-degree murder. The State has to establish the required intent or knowledge unless its case is based on felony murder. The facts may show a lack-of-intent defense because the death resulted from an accident, reckless conduct, or events that happened differently from the State’s account. Autopsy findings and other forensic evidence may weaken the State’s theory about what the accused meant to do.
The Accused Person’s Conduct Did Not Cause the Death
A homicide conviction requires a legally sufficient link between the alleged conduct and the fatal result. The connection may be unclear in cases involving multiple wounds, several participants, delayed care, intoxication, a later event, or a serious preexisting condition. An independent review of the medical evidence and pathology can lead to a different account of how and when the death occurred.
Police Obtained Evidence Unlawfully
Search warrants, phone extractions, home and vehicle searches, interrogations, lineups, and arrests can all be challenged when police violate a person’s constitutional rights. A phone can expose years of messages, photos, searches, and location information, so the authority used to search it needs careful review. There are legal limits on police searches of phones in Illinois and whether investigators stayed within the authority they had.
The State Is Overreaching With Felony Murder or Accountability
In a multi-person case, prosecutors may try to turn association into participation. The case may turn on whether the accused intended to assist, provided any real help, withdrew from the conduct, or was only present at the scene. In felony murder cases, counsel may also attack the alleged predicate felony, the connection between that felony and the death, and the claim that the accused or another participant caused it.
What to Do When Police Ask About a Murder in Cook County, IL
Do not give an interview without a lawyer. Innocent people can make inaccurate statements when they are frightened, exhausted, or trying to guess what detectives already know. A small mistake or change in wording can become a major part of the State’s argument. Clearly invoke your right to silence and request counsel before any questioning continues.
Decline requests for permission to search. Do not physically interfere if police present a warrant or proceed with a search. You can decline voluntary consent and let your lawyer examine whether the search was lawful afterward.
Do not erase or alter digital information. Deleting messages, accounts, photographs, location history, or posts can destroy evidence that helps the defense and can create a new allegation. Keep existing data and records intact. Do not contact witnesses to coordinate stories, and assume calls from a jail are recorded.
Share every relevant detail with your defense lawyer. Names, prior threats, injuries, missing property, cameras, receipts, rideshare records, and people who saw you before or after the incident may all matter. Give that information privately to counsel rather than posting it or sending it around by text.
The Court Process Following a Cook County, IL Murder Arrest
First-degree and second-degree murder are among the offenses for which prosecutors may ask a judge to order pretrial detention. A serious charge alone does not automatically mean the judge must order detention. The court must review a State petition, apply Illinois’s detention standards, and decide whether any release conditions could address the risk prosecutors identify. Illinois sets out that procedure in 725 ILCS 5/110-6.1.
The case may then proceed through a preliminary hearing or grand jury indictment, arraignment, discovery, motion practice, negotiations, and trial. Discovery in a murder case can include massive police files, surveillance recordings, device data, forensic testing, medical records, and expert reports. Reviewing that volume takes time, but the defense should identify urgent issues early: evidence at risk of being lost, statements that may be suppressible, witnesses who need to be located, and expert work that should begin before memories and physical evidence change.
Early choices after a murder arrest can have lasting consequences. That includes what you say, whether you consent to searches, who you discuss the case with, and whether potentially useful evidence is preserved. Our guide to what to do after being charged with a felony in Cook County, IL explains which actions may help protect the case.
How Combs Waterkotte Prepares a Homicide Defense in Cook County, IL
Combs Waterkotte has represented clients in more than 10,000 criminal matters and has earned over 500 five-star Google reviews. The defense team brings together former prosecutors, lawyers who understand police work, an in-house investigator, and outside experts when specialized analysis is needed. Those resources are useful in a homicide case because the prosecution has its own investigators, laboratories, analysts, and experts working from the start.
Preparing the defense can involve:
- protecting the client during contact with police and arranging a controlled surrender when necessary;
- collecting and reviewing the complete discovery file instead of accepting the State’s summary;
- creating a separate timeline based on footage, messages, documents, and interviews conducted for the defense;
- reviewing searches, questioning, identification procedures, and the collection of evidence for constitutional or procedural violations;
- having qualified professionals independently examine the State’s scientific, medical, digital, and weapons-related claims;
- challenging evidence and legal theories through focused pretrial motions;
- considering negotiation options without treating a plea agreement as the default outcome; and
- getting ready to try the case rather than waiting until negotiations fail.
A case looks different when the defense has done the work required to present it to a jury. The defense has to locate the weak points in witness testimony. Experts must be able to defend their methods and opinions under questioning. Timelines have to work minute by minute. Prosecutors recognize when opposing counsel has prepared to test the case in open court.
Other cases we take on in Cook County, IL include:
Talk to a Murder / Homicide Lawyer in Cook County, IL Now
Investigators are not required to tell you that they view you as a suspect. They can call you a witness, request your device, or say a brief interview is all they need. Speak with counsel before you answer questions or agree to a search.
Speak with Combs Waterkotte at (314) 900-HELP. You may also send our team a message online to discuss the case privately at no cost. A Cook County, IL murder and homicide lawyer from our team is available 24 hours a day.
