People v. Frazier , 2019 IL App (1st) 172250 ( 2020 )


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    Appellate Court                           Date: 2020.05.22
    18:45:45 -05'00'
    People v. Frazier, 
    2019 IL App (1st) 172250
    Appellate Court    THE PEOPLE OF THE STATE OF ILLINOIS, Plaintiff-Appellee, v.
    Caption            WENDELL S. FRAZIER, Defendant-Appellant.
    District & No.     First District, Fourth Division
    No. 1-17-2250
    Filed              September 12, 2019
    Decision Under     Appeal from the Circuit Court of Cook County, No. 12C6-60795; the
    Review             Hon. Allen Murphy, Judge, presiding.
    Judgment           Affirmed.
    Counsel on         Michael A. Scodro, Marc R. Kadish, Vincent Connelly, Natalie
    Appeal             Kissinger, and Chandra Critchelow, of Mayer Brown LLP, of
    Chicago, for appellant.
    Kimberly M. Foxx, State’s Attorney, of Chicago (Alan J. Spellberg,
    Annette Collins, and Brian A. Levitsky, Assistant State’s Attorneys,
    of counsel), for the People.
    Panel              JUSTICE BURKE delivered the judgment of the court, with opinion.
    Justices Gordon and Reyes concurred in the judgment and opinion.
    OPINION
    ¶1       Defendant, Wendell S. Frazier, was charged with attempted first degree murder, aggravated
    discharge of a firearm, and aggravated unlawful use of a weapon (AUUW) after he fired several
    gunshots at a vehicle being driven by Ryan McGhee on June 27, 2012. Prior to trial, defendant
    indicated that he intended to rely on section 7-1 of the Criminal Code of 2012 (720 ILCS 5/7-
    1 (West 2012)) in that he was justified in the use of force in defending himself. Defendant, a
    military veteran who did two tours of active duty in Iraq, sought to introduce the testimony of
    several health care providers, including a retained clinical psychiatrist, to establish his defense
    that at the time of the incident, he was suffering from combat-related post-traumatic stress
    disorder (PTSD). The State filed a motion in limine to bar defendant’s clinical psychologist
    from testifying as to defendant’s mental state at the time of the incident. The court ruled that
    the clinical psychologist could testify but precluded the expert from testifying that “it was the
    [PTSD] that caused [defendant] to act this way” because that was a question for the trier of
    fact.
    ¶2       At trial, McGhee testified as to his version of the incident, and defendant testified
    extensively regarding his experiences in Iraq and his version of the incident. Defendant also
    presented the testimony of his former therapist at the United States Department of Veteran
    Affairs (VA), a clinical psychologist for the VA, and an expert clinical psychologist in the field
    of PTSD diagnoses. The court found defendant guilty of aggravated discharge of a firearm but
    not guilty of attempted first degree murder. 1 After the court denied defendant’s motion for a
    new trial, defendant filed this appeal.
    ¶3       On appeal, defendant contends that the court erred in precluding his expert from testifying
    on the “ultimate issue” of the case, i.e., whether his PTSD “caused” him to arm himself in his
    vehicle and fire his gun at McGhee’s vehicle. Defendant further contends that the court erred
    in “substituting” its own lay opinion for that of the expert testimony on whether his conduct
    was consistent with his PTSD and that the court erred in failing to consider evidence that
    defendant subjectively believed that he was in imminent danger during the incident with
    McGhee. For the reasons that follow, we affirm the judgment of the circuit court.
    ¶4                                       I. BACKGROUND
    ¶5                                            A. Pretrial
    ¶6        Prior to trial, in response to the State’s charges, defendant raised self-defense as an
    affirmative defense. Defendant identified Dr. Joan Anzia as a potential witness and indicated
    that defendant had already turned over Dr. Anzia’s written expert opinion in discovery. The
    State filed a motion in limine to bar defendant’s use of psychiatric evidence or opinion
    testimony. The State contended that because the expert was not with defendant at the time of
    the incident, the expert would not be able to provide an opinion as to defendant’s mental state
    at the time. In response, defendant filed a memorandum in which he contended that his PTSD
    was relevant to explain his perception of the events and why he shot at McGhee’s vehicle.
    ¶7        Following a hearing on the State’s motion, the court found that Dr. Anzia could testify but
    that she would be “very limited in what [she] can say.” The court found that Dr. Anzia could
    1
    The State nol-prossed the AUUW charges before trial.
    -2-
    testify regarding the diagnosis of PTSD and how it affects someone’s behavior because that
    knowledge was not common to the layperson. The court found that the Dr. Anzia’s opinion,
    however, “that it was the [PTSD] that caused [defendant] to act this way” was a question for
    the trier of fact. “In other words, the doctor can testify *** what [PTSD] is, what affects [sic]
    it may have on an individual. That [defendant] has been evaluated, and that he suffers from
    [PTSD]. *** But I believe it is beyond the scope of the experts to give the opinion that in this
    particular instance it was the [PTSD] that caused [defendant] to act the way that he did.”
    ¶8                                                  B. Trial
    ¶9          At trial, both McGhee and defendant presented largely similar accounts of what occurred
    on June 27, 2012, with a few distinctions. McGhee was driving on Michigan City Road toward
    Calumet City when he stopped at a stop light and started texting on his phone. He heard several
    horn blasts from the vehicle behind him and realized that the light had turned green. He
    proceeded into the intersection, and the honking vehicle behind him driven by defendant
    accelerated, went into oncoming traffic, and passed McGhee’s vehicle. After defendant passed
    McGhee, he repeatedly applied his brakes directly in front of McGhee’s vehicle, and McGhee
    was forced to apply his brakes to avoid rear-ending defendant’s vehicle. At trial, this was
    referred to as “brake-checking.” Defendant testified that he was brake-checking McGhee
    because McGhee was following him too closely and he was attempting to create some distance
    between their vehicles.
    ¶ 10        Defendant “brake-checked” McGhee four or five times, and McGhee yelled at defendant
    through his vehicle window. As the two vehicles neared the intersection with Pulaski Road,
    defendant pulled onto the shoulder of Michigan City Road. Defendant testified that as McGhee
    started to drive past defendant’s stopped vehicle, he could not see McGhee’s hands and he saw
    McGhee make a movement. Defendant thought McGhee might be reaching for a gun, so
    defendant pulled out a pistol and repeatedly fired toward McGhee, hitting his vehicle.
    Defendant then continued driving on Michigan City Road. McGhee attempted to follow
    defendant, but his vehicle had a flat tire and could not keep up with defendant. McGhee flagged
    down a police officer and gave him a description of defendant and the vehicle.
    ¶ 11        Within 30 minutes of the shots being fired, McGhee saw defendant’s vehicle and pointed
    it out to the police officer. After police stopped the vehicle, McGhee saw a woman in the
    vehicle and another man who was not defendant. The following day, defendant turned himself
    into the police, and McGhee identified defendant in a lineup. Defendant testified that after
    shooting at McGhee’s vehicle, he gave the gun to his mother because “[i]t felt like it was gone
    be [sic] destruction.”
    ¶ 12        Defendant also testified extensively regarding his experiences in the military, including his
    two tours of combat in Iraq and his struggles since his return. Defendant testified that while he
    was in Iraq, he served as a rear gunner for a convoy. It was his responsibility to protect the
    convoy from threats, particularly enemy vehicles. If an enemy vehicle approached the convoy,
    protocol mandated that defendant would first yell “stop!” at the vehicle and shine a green light
    at it. If the vehicle did not stop, defendant would then fire warning shots into the ground. If the
    vehicle ignored the warning shots, defendant would “kill” the vehicle by shooting out the
    vehicle’s engine and tires.
    ¶ 13        Defendant also testified about two incidents that occurred shortly before the shooting in
    this case. Defendant testified that two weeks before the shooting, he was driving home when
    -3-
    his vehicle was hit by random gunfire. A few days before the shooting, defendant was driving
    on 95th Street and Stony Island Avenue when he pulled up alongside another vehicle.
    Defendant called out to the driver of the other vehicle, and the driver pointed a gun at him.
    Defendant testified that he felt scared and started carrying a gun on his person after that
    incident.
    ¶ 14       Tenisha Fennie testified that she was defendant’s clinical social worker and therapist from
    the VA program. She evaluated defendant on a few separate occasions and recommended that
    defendant undergo a psychiatric evaluation and attend follow-up appointments.
    ¶ 15       Dr. John Mundt, defendant’s treating clinical psychologist from the VA, testified regarding
    the treatment that defendant received. Dr. Mundt believed that defendant had symptoms of
    PTSD and, although defendant had improved through therapy, he still needed additional
    treatment. Dr. Mundt testified that vehicles were a “huge stressor” for defendant given his
    experience in Iraq and that symptoms vary from “veteran to veteran.” Dr. Mundt testified that
    given his relationship with defendant, he “absolutely” did not think he could be a “neutral,
    objective expert.”
    ¶ 16       Defendant’s retained expert, Dr. Anzia, was qualified at trial as an expert in the field of
    psychiatry, specifically in the diagnosis of PTSD. Dr. Anzia described the process for
    diagnosing PTSD, how it is defined, and what symptoms someone suffering from PTSD may
    present. In evaluating defendant, Dr. Anzia noted that he exhibited multiple symptoms in the
    “hypervigilance and hyperarousal cluster,” meaning that he would set a perimeter when he was
    in public places and avoided public spaces. She also noted that driving and vehicles were big
    triggers for his PTSD.
    ¶ 17       Dr. Anzia testified that defendant suffered from PTSD and had a mild traumatic brain
    injury. Over the State’s objection, Dr. Anzia testified that defendant’s decision to carry a
    firearm in his car and the events on June 27, 2012, “were both consistent with and expectable
    consequences considering [defendant’s] combat PTSD.” Dr. Anzia testified that the incident
    at Stony Island Avenue a few days before the shooting in this case “ramped up” his symptoms
    and that is when he put a handgun in his car. After the shooting, Dr. Anzia opined that
    defendant experienced “dissociation” because defendant’s girlfriend reported that defendant’s
    eyes looked frozen and he was speaking like a robot. Dr. Anzia testified that during a
    dissociative episode, a person would have an altered mental state and not act as a reasonable
    person.
    ¶ 18       In rebuttal, the State presented the testimony of Calumet City police officer Mitch Growe
    who observed defendant’s interview with an assistant state’s attorney (ASA) at the police
    station. He noted that defendant never stated during the interview that he felt threatened by
    McGhee, that he believed McGhee had a gun, or that he could not see McGhee’s hands.
    ¶ 19       Following closing argument, the trial court recounted the evidence presented regarding the
    incident on June 27, 2012. The court noted that defendant braked “very hard” in an attempt to
    cause McGhee to rear-end his vehicle. The court also found that McGhee’s actions were
    consistent with him being unarmed at the time of the incident. The court recounted defendant’s
    testimony regarding his service in the United States military. The court found that based on
    Dr. Anzia’s testimony, there was no doubt that defendant suffered from PTSD. The court
    determined that the issue presented therefore was whether defendant’s PTSD prevented him
    from formulating a criminal intent or whether the PTSD caused him to reasonably believe that
    he needed to act in self-defense.
    -4-
    ¶ 20        The court found that defendant’s PTSD was not a defense in this case. The court concluded
    that defendant voluntarily armed himself because of the two incidents he noted in his testimony
    and that he did not arm himself because he was “reliving events of past military service.” The
    court also found that defendant’s actions on June 27, 2012, were not consistent with his PTSD.
    The court noted that in Iraq defendant was responsible for keeping enemy vehicles away from
    the convoy. “So the question is why in the world would you brake check another vehicle to
    draw him closer to your car which had the potential to cause a car accident.” The court found
    that Dr. Anzia testified that vehicles were a trigger for defendant and that based on her
    testimony, his hypervigilance would dictate that he would want to keep McGhee’s vehicle as
    far away from him as possible and not draw him in by brake-checking.
    ¶ 21        The court found that defendant’s brake-checking of McGhee was circumstantial evidence
    that defendant was looking for a confrontation. The court noted that defendant did not indicate
    that he interpreted McGhee’s vehicle to be an enemy vehicle and defendant did not indicate in
    his statement to the ASA that he was “reliving a combat situation.” The court further found
    that defendant’s actions after the shooting were not consistent with a self-defense claim
    attributed to his PTSD. The court noted that the first thing defendant did when he got home
    after the incident was call his mother and get rid of the gun, which the court found was evidence
    of consciousness of guilt.
    ¶ 22        The court found, however, that defendant was not guilty of attempted first degree murder
    because the evidence did not indicate that defendant had intent to kill. The court noted
    defendant’s proficiency and expertise with using firearms and observed that the bullets in this
    case were aimed toward the front of McGhee’s vehicle and the tires. Nonetheless, the court
    found that there was “very compelling” evidence to support the charge of aggravated discharge
    of a firearm and concluded that the State had proved defendant guilty of that charge beyond a
    reasonable doubt. The court also found that the State had proved beyond a reasonable doubt
    that defendant was not acting in self-defense and had no subjective belief that McGhee posed
    any imminent threat of use of force against defendant. The court subsequently sentenced
    defendant to 24 months’ probation. Defendant now appeals.
    ¶ 23                                         II. ANALYSIS
    ¶ 24       On appeal, defendant contends that the court erred in precluding his expert from testifying
    that his PTSD “caused” him to arm himself in his vehicle and fire his gun at McGhee’s vehicle.
    Defendant further contends that the court erred in “substituting” its own lay opinion for that of
    the expert testimony on the effect of his PTSD and that the court erred in failing to consider
    evidence that defendant subjectively believed that he was in imminent danger during the
    incident with McGhee.
    ¶ 25                                       A. Standard of Review
    ¶ 26       Initially, defendant contends that the preclusion of Dr. Anzia’s testimony regarding the
    ultimate issue in the case and the court’s rejection of the expert’s testimony is somehow
    accorded the de novo standard of review. Defendant claims that the court’s ruling on this issue
    was a legal error and the de novo standard of review applies where the issue raised is purely
    legal. However, it is well settled that the admission of evidence is reviewed under an abuse of
    discretion standard. People v. Becker, 
    239 Ill. 2d 215
    , 234 (2010) (citing Snelson v. Kamm,
    
    204 Ill. 2d 1
    , 24 (2003)). This same standard applies even with regard to the trial court’s
    -5-
    decision of whether to admit expert testimony. 
    Id.
     An abuse of discretion occurs where the trial
    court’s decision is arbitrary, fanciful, or unreasonable or where no reasonable person would
    agree with the position adopted by the trial court. 
    Id.
    ¶ 27       The remainder of defendant’s contentions appear to challenge the sufficiency of the
    evidence presented to prove him guilty beyond a reasonable doubt and to defeat his claim of
    self-defense. When considering a challenge to a criminal conviction based upon the sufficiency
    of the evidence, we determine “ ‘whether, after viewing the evidence in the light most
    favorable to the prosecution, any rational trier of fact could have found the essential elements
    of the crime beyond a reasonable doubt.’ ” (Emphasis omitted.) People v. Sutherland, 
    223 Ill. 2d 187
    , 242 (2006) (quoting Jackson v. Virginia, 
    443 U.S. 307
    , 319 (1979)). This standard
    recognizes the responsibility of the trier of fact to determine the credibility of the witnesses
    and the weight to be given their testimony, to resolve any conflicts and inconsistencies in the
    evidence, and to draw reasonable inferences therefrom. 
    Id.
    ¶ 28                                B. Dr. Anzia’s Excluded Testimony
    ¶ 29       Defendant first contends that the court erred in precluding Dr. Anzia from testifying on the
    “ultimate issue” of the case, i.e., that defendant’s PTSD caused him to carry a gun and to shoot
    at McGhee’s vehicle. Defendant asserts that it is uncontested that he suffers from PTSD and
    that Illinois law permits experts to testify on the ultimate issue of the case. Defendant maintains
    that his PTSD was central to his assertion of self-defense and the trial court’s decision to restrict
    Dr. Anzia’s testimony was a violation of defendant’s constitutional due process rights.
    Defendant also contends that the court erred in limiting his own testimony regarding his
    experiences in Iraq and the circumstances that led to his PTSD.
    ¶ 30       Here, in limiting Dr. Anzia’s testimony, the court found that it was beyond the scope of the
    expert to give the opinion that in this instance it was defendant’s PTSD that caused him to act
    the way that he did. The court found that this “ultimate conclusion” would be left to the trier
    of fact. Defendant is correct, however, that an expert may testify to an ultimate fact or issue in
    the case. Jacobs v. Yellow Cab Affiliation, Inc., 
    2017 IL App (1st) 151107
    , ¶ 105 (citing Zavala
    v. Powermatic, Inc., 
    167 Ill. 2d 542
    , 543 (1995)). This testimony would not impermissibly
    tread on the fact finder’s role because the fact finder is not required to accept the expert’s
    conclusion. 
    Id.
    ¶ 31       Despite the trial court’s ruling, however, during Dr. Anzia’s testimony, defense counsel
    asked her about her opinions regarding the affect of defendant’s PTSD. Over the State’s
    objection, Dr. Anzia testified “that [defendant’s] decision to carry a firearm in his car and the
    subsequent events on June 27, 2012 *** were both consistent with and expectable
    consequences considering [defendant’s] combat PTSD.” The court overruled the State’s
    objections and stated that it would give Dr. Anzia’s testimony “the appropriate weight.” Dr.
    Anzia then testified extensively about PTSD itself, how defendant’s experience in the military
    caused him to suffer from PTSD, and how PTSD manifests itself in certain behaviors, both in
    general and specifically with regard to defendant. What the court precluded Dr. Anzia from
    testifying about, and what defendant takes issue with here, is that defendant’s PTSD caused
    him to carry a gun in his vehicle and caused him to shoot at McGhee’s vehicle. Despite not
    using this exact language, however, Dr. Anzia testified that these actions were “consistent with
    and expectable consequences” of defendant’s PTSD.
    -6-
    ¶ 32       Later in Dr. Anzia’s testimony, however, the trial court sustained the State’s objection
    when Dr. Anzia testified to that opinion again. The court stated that Dr. Anzia could not testify
    as to decisions that defendant made on the night of the incident because it was outside of her
    expertise. The court found that defendant’s intent was an “ultimate issue” for the trier of fact
    to determine. The court also noted that defendant had previously testified regarding why he
    carried the gun with him in his vehicle. We find that the court’s ruling on this issue is supported
    by Illinois law.
    ¶ 33       “The question of [a] defendant’s state of mind at the time of the crime [is] a question of
    fact to be determined by the [trier of fact].” (Internal quotation marks omitted.) People v. Hulitt,
    
    361 Ill. App. 3d 634
    , 637-38 (2005) (quoting People v. Raines, 
    354 Ill. App. 3d 209
    , 220
    (2004)). An expert witness who was not present with a defendant while he or she commits a
    crime is incapable of opining that said defendant acted with a specific mental state. See id. at
    639 (an expert not present during the commission of a crime “would only be able to testify to
    an opinion formed some three years after the offense rather than from personal observation at
    or near the time of the offense”); People v. Pertz, 
    242 Ill. App. 3d 864
    , 902 (1993) (because
    the expert did not observe the defendant on the night of the victim’s murder, “it would have
    been impossible for him to opine with a reasonable degree of medical and psychiatric certainty”
    whether the defendant acted intentionally). Rather, as the trial court found, allowing expert
    testimony regarding defendant’s mental state at the time of the offense would “usurp[ ] the
    province of the [trier of fact].” Pertz, 242 Ill. App. 3d at 903. Therefore, although Dr. Anzia’s
    testimony would speak directly on the question of defendant’s mental state, it would
    “impermissibly eliminate any possibility of the [trier of fact] determining for [itself] whether
    defendant [acted] intentionally, knowingly, or recklessly.” Hulitt, 361 Ill. App. 3d at 640. Thus,
    while an expert may testify as to the ultimate issue in the case, as the supreme court noted in
    Zavala, our case law is clear that an expert may not testify about a defendant’s mental state at
    the time of the offense where the expert was not present to evaluate defendant at the time or
    shortly thereafter. Rather, this is a question for the trier of fact, and an expert’s opinion that
    defendant acted with a particular mental state at the time of the offense would usurp the trier
    of fact’s role.
    ¶ 34       We find this court’s holding in Hulitt relevant to our discussion here. In Hulitt, the trial
    court granted the State’s motion in limine barring testimony from a psychologist as to the
    defendant’s mental capacity at the time of the offense. Id. at 636. Defendant sought to introduce
    testimony from the psychologist that at the time of the offense, defendant was suffering from
    postpartum depression and that “ ‘as a result of her mental illness, she lacked the ability to
    cope with the stress of parenting three children and she was unable to appreciate the danger of
    her actions toward [the victim] on the night of the offense.’ ” Id. On appeal, the defendant
    contended that the court erred in excluding the psychologist’s testimony regarding her mental
    state and the effect of her postpartum depression on her mental state. Id. at 637. Defendant
    contended that she sought to introduce the psychologist’s testimony to show that she did not
    have the requisite intent to commit first degree murder. Id. This court found that the
    psychologist’s testimony that defendant sought to introduce “sound[ed] more like a statement
    of diminished capacity than of recklessness.” Id. at 640. The court held that because diminished
    capacity was not a defense available in Illinois, the trial court did not abuse its discretion in
    barring that evidence. Id. The court further found that because the expert had not evaluated
    -7-
    defendant until three years after the incident, the expert would be unable to testify regarding
    defendant’s mental state at the time of the offense. Id. at 639.
    ¶ 35        We find that the same principles apply here. Before the trial court and in his brief before
    this court, defendant presented his defense as a self-defense, “justification” defense. As
    discussed, infra, however, defendant’s contentions fall short of establishing this defense.
    Rather, like the defendant in Hulitt, defendant’s arguments here are more appropriately viewed
    as an attempt to assert a diminished capacity defense. Diminished capacity is an affirmative
    defense that permits a “ ‘legally sane defendant to present evidence of mental illness to negate
    the specific intent required to commit a particular crime.’ ” People v. Johnson, 
    2018 IL App (1st) 140725
    , ¶ 63 (quoting Metrish v. Lancaster, 
    569 U.S. 351
    , 351 (2013)); see also Black’s
    Law Dictionary 199 (7th ed. 1999) (defining “diminished capacity” as “[a]n impaired mental
    condition—short of insanity—that is caused by intoxication, trauma, or disease and that
    prevents the person from having the mental state necessary to be held responsible for a
    crime.”). As this court noted in Hulitt, “[t]he doctrine of diminished capacity, also known as
    the doctrine of diminished or partial responsibility, allows a defendant to offer evidence of her
    mental condition in relation to her capacity to form the mens rea or intent required for
    commission of the charged offense. [Citation.]” Hulitt, 361 Ill. App. 3d at 640. It is well
    established, however, that the affirmative defense of diminished capacity is not recognized in
    Illinois. Id. at 641.
    ¶ 36        Essentially, defendant contends that he sought to have Dr. Anzia testify that because he
    had PTSD, he could not form the necessary mens rea to commit aggravated discharge of a
    firearm, i.e., his PTSD “caused” him to carry a gun and shoot at McGhee’s vehicle. As noted,
    however, “[a]n expert may not give an opinion supporting the doctrine of diminished mental
    capacity because *** that doctrine is not recognized in Illinois.” Johnson, 
    2018 IL App (1st) 140725
    , ¶ 70 (citing Hulitt, 361 Ill. App. 3d at 641). Thus, the court properly excluded Dr.
    Anzia’s testimony that defendant’s PTSD “caused” him to carry a gun and shoot at McGhee’s
    vehicle.
    ¶ 37        We further find that the court’s ruling did not violate defendant’s constitutional right to
    present a defense. Both defendant and Dr. Anzia testified extensively regarding his PTSD and
    how it affects him. Defendant also presented extensive testimony from Dr. Mundt regarding
    his PTSD. Defendant argues that the court improperly prevented him from adequately
    testifying regarding his time in Iraq and in two separate footnotes indicates that the defense
    prepared nearly a dozen additional exhibits and was prepared to ask defendant to describe
    specifically the experiences defendant had in Iraq that led to his PTSD. However, in reviewing
    the testimony of defendant, we observe that defendant testified extensively regarding his
    military training, his living conditions, his assignments in the military, and the traumatic
    incidents that occurred while he was deployed. Defendant testified for nearly 100 pages of trial
    transcript. Crucially, nowhere in defendant’s testimony did he suggest that his decision to carry
    a gun or shoot at McGhee’s vehicle were somehow related to his PTSD. Moreover, although
    defendant makes references to exhibits, no offer of proof was given, and as a result, we cannot
    say that the trial court abused its discretion limiting defendant’s testimony.
    “[A] party claiming he has not been given the opportunity to prove his case must
    provide a reviewing court with an adequate offer of proof of what the excluded
    evidence would have been. [Citation.] In the absence of an offer of proof, the issue of
    -8-
    whether evidence was improperly excluded will be deemed waived.” Chicago Park
    District v. Richardson, 
    220 Ill. App. 3d 696
    , 701-02 (1991).
    As discussed, infra, defendant’s defense failed not because his or his expert’s testimony was
    improperly limited but because he failed to sufficiently establish a legally recognizable defense
    to the charged offense. As such, we find that the trial court did not abuse its discretion in
    limiting Dr. Anzia’s testimony.
    ¶ 38                                C. Defendant’s Claim of Self-Defense
    ¶ 39       Defendant next contends that the court erred in “substitut[ing]” its own opinions regarding
    PTSD for that of a qualified, unrebutted expert. Defendant asserts that the court’s holding
    demonstrated its misunderstanding of how defendant’s PTSD changed his perception of risk
    and how the court ignored the testimony of both Dr. Anzia and Dr. Mundt that defendant’s
    actions were consistent with his PTSD. Defendant maintains that the court’s “independent[ ]”
    determination that defendant’s actions were not the result of his PTSD was reversible error
    where that finding was in contrast to the unrebutted expert testimony.
    ¶ 40       As noted, supra, although defendant classifies his defense as a justification self-defense,
    the essence of his defense is a diminished capacity defense. As discussed, such a defense is not
    recognized in Illinois. Examining defendant’s defense as a justification defense, as he
    presented it, reveals that the trial court did not err in finding him guilty of the charged offense.
    In order to establish that defendant was justified in the use of force in acting in self-defense,
    defendant must demonstrate that (1) unlawful force was threatened against him, (2) defendant
    was not the initial aggressor, (3) the danger of harm was imminent, (4) the use of force was
    necessary, (5) defendant subjectively believed a danger existed that required the use of force,
    and (6) defendant’s beliefs were objectively reasonable. People v. Lee, 
    213 Ill. 2d 218
    , 225
    (2004); see also 720 ILCS 5/7-1(a) (West 2016) (“A person is justified in the use of force
    against another when and to the extent that he reasonably believes that such conduct is
    necessary to defend himself or another against such other’s imminent use of unlawful force.”).
    Once defendant raises the affirmative defense of self-defense, “the State has the burden of
    proving beyond a reasonable doubt that the defendant did not act in self-defense, in addition
    to proving the elements of the charged offense.” Lee, 
    213 Ill. 2d at 224
    . If the State negates
    any one of the elements of defendant’s claim, defendant’s claim must fail. 
    Id. at 225
    .
    ¶ 41       Viewing the evidence in a light most favorable to the State (id.), we find that the court did
    not err in rejecting defendant’s self-defense claim. At trial, McGhee testified that defendant
    repeatedly brake-checked him after McGhee was inattentive at a green light. Defendant then
    pulled to the side of the road and shot at McGhee’s vehicle. Thus, it is clear that defendant was
    the initial aggressor, and because the State negated one element of defendant’s self-defense
    claim, the claim must fail. Defendant argues, however, that the court improperly accepted
    McGhee’s definition of brake-checking, stopping the vehicle abruptly in order to cause a
    collision, but should have accepted defendant’s definition—tapping his brakes to discourage
    McGhee from tailgating him. This question, however, is one of credibility of the witnesses. As
    noted, the credibility of the witnesses and the weight to be given their testimony is a question
    for the trier of fact. Sutherland, 
    223 Ill. 2d at 242
    . Here, defendant and McGhee gave differing
    descriptions of what defendant’s “brake-checking” entailed. The trial court clearly accepted
    McGhee’s definition of that term, finding that “the defendant’s actions in driving his vehicle
    *** were not consistent with [PTSD] *** why in the world would you brake check another
    -9-
    vehicle to draw him closer to your car which had the potential to cause a car accident. That
    makes no sense to me.” On review, we will not substitute our judgment for that of the trier of
    fact where the evidence is merely conflicting. People v. Columbo, 
    118 Ill. App. 3d 882
    , 979-
    80 (1983) (citing People v. Manion, 
    67 Ill. 2d 564
    , 578 (1977), and People v. Foster, 
    76 Ill. 2d 365
    , 373 (1979)).
    ¶ 42        Defendant contends, however, that because of his PTSD, he subjectively believed that
    McGhee was reaching for a gun and acted in self-defense when he shot at McGhee’s vehicle.
    As discussed, however, defendant’s subjective belief that force was necessary is just one of the
    elements of his self-defense claim. The court’s finding that defendant was the initial aggressor
    was sufficient to defeat his claim. In addition, defendant initially testified that he believed
    McGhee had a weapon because he could not see his hands and McGhee “made a move.”
    Defendant later testified, however, in response to the court’s own questioning, that as McGhee
    drove past him while defendant was stopped on the side of the road, he saw McGhee had one
    hand on his steering wheel and his head and other arm were hanging outside of his driver’s
    side window. This again raises a credibility determination as to whether defendant subjectively
    believed that he was in danger and required to use force that was within the prerogative of the
    trier of fact to resolve. Sutherland, 
    223 Ill. 2d at 242
    . The court’s ruling suggests that it did not
    accept defendant’s testimony that he believed McGhee was reaching for a gun because he
    could not see his hands. The court found that McGhee’s actions were consistent with him being
    unarmed, and we will not substitute our judgment for that of the trier of fact unless the proof
    is so unsatisfactory that a reasonable doubt of guilt appears. People v. Berland, 
    74 Ill. 2d 286
    ,
    305-06 (1978). We do not find this to be such a case.
    ¶ 43        Defendant maintains, however, that the court improperly believed that in order for
    defendant’s PTSD to be a factor in the incident, defendant must have believed that he was
    transported back to Iraq and was “reliving” the experience. Defendant also asserts that the court
    misunderstood Dr. Anzia’s explanation of defendant’s “hypervigilance” and mistakenly found
    that defendant’s actions after the shooting were indicative of guilt despite Dr. Anzia’s
    testimony that defendant was in a dissociative episode.
    ¶ 44        Defendant is correct that the court found that defendant had armed himself on the night of
    the incident because of the incident a few days before the shooting where a person pointed a
    gun at defendant and not because he was “reliving events of past military service.” The court
    further noted that defendant did not tell the ASA in his statement that he was “reliving a combat
    situation.” In finding defendant guilty of aggravated discharge of a firearm, however, the court
    found that defendant’s self-defense claim must fail because the state adequately proved that
    defendant did not subjectively believe that McGhee posed any imminent threat of force against
    him. The court’s comments regarding defendant’s PTSD thus illustrate its disbelief of
    defendant’s testimony that he was not the initial aggressor and that he believed McGhee had a
    gun. As noted, the trial court was not required to accept defendant’s and Dr. Anzia’s
    explanations for the events. Indeed, in denying defendant’s motion for a new trial, the court
    noted that it viewed defendant’s actions as a “case of road rage” and recognized that it was
    “allowed to dismiss Dr. Anzia’s evidence and testimony in this case.” The court did not believe
    that defendant’s PTSD was at all relevant to his actions.
    ¶ 45        In essence, the question before the trial court was whose version of the events was more
    credible. Defendant attempts to frame the issue as whether or not his PTSD “caused” him to
    arm himself and shoot at McGhee; however, this again resembles a diminished capacity
    - 10 -
    defense, which is not recognized in Illinois. Essentially, the court credited McGhee’s testimony
    that defendant was the initial aggressor and that McGhee was unarmed. The court found that
    defendant’s actions were not consistent with his PTSD, that defendant was the initial aggressor,
    and that defendant did not subjectively believe that he needed to use force to protect himself
    from an imminent threat of force. Accordingly, the court found that defendant’s self-defense
    claim must fail. We find no basis to disturb that ruling and accordingly affirm the judgment of
    the trial court.
    ¶ 46                                      III. CONCLUSION
    ¶ 47      For the reasons stated, we affirm the judgment of the circuit court of Cook County.
    ¶ 48      Affirmed.
    - 11 -