SUSAN PECK V. ANTHONY MONTOYA ( 2022 )


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  •                               FOR PUBLICATION                  FILED
    UNITED STATES COURT OF APPEALS               OCT 18 2022
    MOLLY C. DWYER, CLERK
    U.S. COURT OF APPEALS
    FOR THE NINTH CIRCUIT
    SUSAN PECK, individually and as surviving No. 20-56413
    heir and successor in interest of Paul Mono
    (deceased),                                 D.C. No.
    2:19-cv-04654-DSF-AFM
    Plaintiff-Appellee,
    and                                       OPINION
    COURTNEY MONO; WHITNEY MONO,
    Plaintiffs,
    v.
    ANTHONY MONTOYA; MICHAEL
    JOHNSON; BRAD CARRINGTON;
    BRENT LIND; JOHN FREY,
    Defendants-Appellants,
    and
    COUNTY OF ORANGE; SANDRA
    HUTCHENS, Sherriff; AARON
    MCFATRIDGE,
    Defendants.
    SUSAN PECK, individually and as surviving No. 21-55411
    heir and successor in interest of Paul Mono
    (deceased),                                 D.C. No.
    2:19-cv-04654-DSF-AFM
    Plaintiff-Appellee,
    and
    COURTNEY MONO; WHITNEY MONO,
    Plaintiffs,
    v.
    BRAD CARRINGTON; BRENT LIND;
    JOHN FREY,
    Defendants-Appellants,
    and
    COUNTY OF ORANGE; SANDRA
    HUTCHENS, Sherriff; AARON
    MCFATRIDGE; ANTHONY MONTOYA;
    MICHAEL JOHNSON,
    Defendants.
    Appeal from the United States District Court
    for the Central District of California
    Dale S. Fischer, District Judge, Presiding
    Argued and Submitted February 8, 2022
    Pasadena, California
    Before: Mary M. Schroeder, Richard C. Tallman, and Eric D. Miller, Circuit
    Judges.
    Opinion by Judge Miller;
    Concurrence by Judge Schroeder
    2
    SUMMARY *
    Civil Rights
    The panel affirmed in part and reversed in part the district court’s denial of
    defendants’ motion for summary judgment in an action brought pursuant to 
    42 U.S.C. § 1983
     arising from the shooting of Paul Mono by Orange County Sherriff’s
    deputies.
    Five deputies responded to a 911 call reporting that Mono was acting erratically
    and threatening someone with a firearm. The deputies asserted that Mono ignored
    their warnings, picked up a gun, and began raising it toward them. At that point, two
    of the deputies shot and killed Mono. Susan Peck, Mono’s wife, told a different
    story. She claimed that eyewitness testimony and ballistics analysis proved that
    Mono was not moving toward the gun, never touched the gun, and did not pose an
    immediate threat to himself or others. Peck brought this action asserting that the
    deputies violated Mono’s Fourth Amendment right to be free from excessive force
    and her own Fourteenth Amendment right to a familial relationship.
    On the excessive-force claim, the panel concluded that the deputies who shot
    Mono were not entitled to qualified immunity. Insofar as the deputies argued that
    the evidence was insufficient to raise a genuine issue of fact, the panel lacked
    jurisdiction to resolve the factual disputes. The panel concluded that drawing all
    reasonable inferences in Peck’s favor, a jury could conclude that defendants
    Montoya and Johnson fired at an unarmed man who, although in the presence of a
    gun, never picked it up and in fact was moving away from it when he was shot.
    Officers may not kill suspects simply because they are behaving erratically, nor may
    they kill suspects who do not pose an immediate threat to their safety or to the safety
    of others simply because they are armed.
    The panel next concluded that the deputies who did not shoot Mono were entitled
    to qualified immunity. Because defendants Frey, Lind, and Carrington did not form
    a plan to shoot Mono, nor did they set in motion acts by Montoya and Johnson that
    they knew or should have known would cause a constitutional violation, they were
    *
    This summary constitutes no part of the opinion of the court. It has been
    prepared by court staff for the convenience of the reader.
    not integral participants in the constitutional violation. The district court therefore
    erred in denying their motion for summary judgment on the excessive-force claim.
    Turning to Peck’s familial-association claim, the panel noted that whether such a
    claim could be asserted by a spouse, rather than a parent or child, has not been
    addressed by this court. Nevertheless, even under this court’s case law relating to
    familial-association claims asserted by parents and children, Peck’s claim failed
    because no showing of a purpose to harm had been made or even attempted. No
    evidence suggested that the deputies shot Mono for any other purpose than their
    (possibly mistaken) perception of the need for self-defense. Consequently, there
    was no Fourteenth Amendment violation, and the deputies were entitled to qualified
    immunity on this claim.
    Concurring in the result, Judge Schroeder agreed with the majority’s conclusion
    that the deputies who used deadly force were not entitled to qualified immunity and
    that the three deputies who did not shoot were entitled to qualified immunity because
    they were not integral participants in the use of excessive force. Judge Schroeder
    stated, however, that the majority opinion added as part of its discussion of integral
    participation, an unnecessary discussion of but-for causation, apparently in order to
    cast doubt on its applicability in this circuit. To the extent there may be an open
    question in this circuit about the applicability of but-for causation, the question
    should be answered in a case where the issue is raised. Judge Schroeder further
    stated that it was not for the panel to opine on what the officers may have been
    thinking, or what they thought they were accomplishing when they stationed
    themselves at the windows of Mono’s house.
    COUNSEL
    Jesse K. Cox (argued), Norman J. Watkins, S. Frank Harrell, and Marlena R.
    Mlynarska, Lynberg & Watkins, Orange, California; for Defendants-Appellants.
    David C. Washington (argued), Barbara E. Hadsell, Dan Stormer, and Tanya
    Sukhija-Cohen, Hadsell Stormer Renick & Dai LLP, Pasadena, California; for
    Plaintiff-Appellee.
    MILLER, Circuit Judge:
    This case arises from a fatal encounter between Paul Mono and members of
    the Orange County Sheriff’s Department. Five deputies responded to a 911 call
    reporting that Mono was acting erratically and threatening someone with a firearm.
    The deputies assert that Mono ignored their warnings, picked up a gun, and began
    raising it toward them. At that point, two of the deputies shot and killed Mono.
    Susan Peck, Mono’s wife, tells a different story. She claims that eyewitness
    testimony and ballistics analysis prove that Mono was not moving toward the gun,
    never touched the gun, and did not pose an immediate threat to himself or others.
    Peck sued the deputies under 
    42 U.S.C. § 1983
    , claiming that they violated
    Mono’s Fourth Amendment right to be free from excessive force and her own
    Fourteenth Amendment right to a familial relationship. The district court denied
    the deputies’ motion for summary judgment, and the deputies appeal.
    On the excessive-force claim, we conclude that the deputies who shot Mono
    are not entitled to qualified immunity, but that the deputies who did not shoot him
    are entitled to qualified immunity. On the familial-association claim, we conclude
    that all of the deputies are entitled to qualified immunity. We therefore affirm in
    part and reverse in part.
    3
    I
    In 2018, Paul Mono was 65 years old and legally blind. When he and his
    wife, Susan Peck, bought a house in Laguna Woods, California, they decided to
    renovate it to accommodate his visual impairment. Their real-estate agent, Jennifer
    Heflin, recommended the services of Dennis Metzler, a general contractor. Metzler
    began work, but Mono became dissatisfied with the pace and quality of his work.
    Mono’s relationship with Metzler deteriorated, and Heflin stepped in to serve as
    intermediary between the two parties.
    On February 5, Heflin visited the house, and Mono and Peck told her that
    they wanted to review Metzler’s floor plans so that they could hire a different
    contractor. At some point during the visit, Mono showed Heflin a gun. The next
    day, Heflin met Metzler in a carport near Mono’s house and obtained the floor
    plans from Metzler to give to Mono and Peck. Metzler, concerned for Heflin’s
    safety, tried to discourage Heflin from going to the house. Heflin agreed to call
    Metzler and let him listen in on what was happening in Mono’s house.
    After Heflin arrived at the house, Mono became angry, claiming that the
    floor plans Heflin provided were incorrect. When Heflin exited the house and
    stood outside talking to Peck, Mono came to the front door with a gun, which he
    waved over his head for about 30 seconds. At one point, he pointed the gun at
    4
    Heflin and threatened to shoot Metzler. She told him to put the gun down, and he
    went inside and returned without the gun.
    Metzler, who was listening to the conversation over the phone, heard Heflin
    tell Mono to “put the gun down,” at which point he hung up and called 911.
    Metzler told the dispatcher, “I’ve got a client that’s threatening with a firearm to
    shoot somebody . . . in his house.” Metzler went on to say that Mono was
    screaming that “he wants to shoot Dennis Metzler.” He told the dispatcher that
    Heflin was inside the house and that Heflin had “told [Metzler] that she saw the
    firearms yesterday when she was there.”
    Orange County Sheriff’s Deputies Anthony Montoya, Michael Johnson,
    John Frey, Brent Lind, and Brad Carrington responded to the 911 call. Frey was
    the first on the scene. He spoke briefly with Metzler, who had waited near the
    carport and who reported that he had called 911, that Mono had threatened to shoot
    him, and that he believed there was a gun in the house. Heflin was also outside the
    house, but Frey did not talk to her.
    Once they arrived on the scene, the deputies established a perimeter around
    the house. Johnson, Lind, and Carrington joined Frey in taking positions on one
    side of the house, from which they could see inside through a large window.
    Montoya took up position on another side, where he could see inside through a
    window in the door. Mono was screaming and visibly agitated. He swore at the
    5
    officers, made obscene gestures toward them, and, at one point, lowered his pants
    and pressed his bare buttocks against the window. Due to his vision loss, Mono
    used a cane with red marks, which he began waving around while yelling
    statements like “Shoot me,” “Kill me,” and “If you come in my house, I’m going
    to shoot you.” He also asked the deputies, “What are you going to do, shoot a blind
    man?”
    The confrontation escalated when Montoya observed a holstered revolver
    lying on the couch. Montoya alerted the other deputies, and, in response, Mono
    began yelling, “I’ll show you my gun! You wanna see my gun?” Johnson
    commanded Mono not to go near the gun.
    The parties dispute what happened next. According to the deputies, Mono
    began moving toward the gun, bent over, and “reached for and grabbed onto” the
    gun. As soon as Mono grabbed the gun, Johnson began firing at him through the
    window. Montoya also began firing but says that he waited to do so until Mono
    raised the gun toward the other deputies. The two deputies fired independently:
    Neither was aware that the other had also fired. Only a few seconds elapsed
    between Johnson’s commands not to go near the firearm and the decisions of
    Johnson and Montoya to open fire.
    Peck tells a different version of the events. According to her, Mono never
    grabbed the gun. When she reached her husband after the shooting, she did not see
    6
    a gun in his hands or anywhere near his body; the gun was ultimately found
    unloaded and secured in the holster under the coffee table. Larry Berman, a
    neighbor who witnessed the interaction, testified that Mono was moving away
    from the gun several seconds before the shooting. And although Peck herself
    cannot recall many of the details surrounding the shooting, she points to other
    discrepancies in the deputies’ account. For example, she notes that a ballistics
    expert concluded that Mono’s wounds “attributed to bullets fired by Deputy
    Johnson do not support Deputy Johnson’s version of the shooting.”
    After the shooting, Johnson attempted to provide medical care to Mono.
    Paramedics arrived soon thereafter, and Mono was pronounced dead at the scene.
    Peck brought this action against the deputies under 
    42 U.S.C. § 1983
    ,
    asserting claims of excessive force in violation of the Fourth Amendment and
    deprivation of a familial relationship in violation of the Fourteenth Amendment.
    The deputies moved for summary judgment on the basis of qualified immunity.
    The district court denied summary judgment on both claims for all defendants. As
    to Montoya and Johnson, who fired the shots that killed Mono, the court reasoned
    that the “most important factor” in the Fourth Amendment analysis “is whether the
    suspect posed an immediate threat to the safety of the officers or others.” (quoting
    Bryan v. MacPherson, 
    630 F.3d 805
    , 826 (9th Cir. 2010) (internal quotation marks
    omitted)). The court concluded that “there is a dispute of material fact as to
    7
    whether [Mono] actually brandished a weapon at the officers” and thus posed an
    immediate threat. As to Frey, Lind, and Carrington, who did not fire any shots, the
    court held that “[a] reasonable jury could infer from the circumstances that [they]
    were integral participants during the time when the allegedly violative applications
    of force occurred” and were therefore subject to potential liability. Finally, as to
    the familial-association claim, the court acknowledged some uncertainty as to the
    governing legal standard. It concluded that the facts could support application of a
    “deliberate indifference” standard and that there was a genuine issue of material
    fact as to whether the deputies acted with deliberate indifference.
    The deputies appeal. We review de novo the district court’s decision
    denying summary judgment on the basis of qualified immunity. Estate of Lopez v.
    Gelhaus, 
    871 F.3d 998
    , 1005 (9th Cir. 2017).
    II
    We first address whether Montoya and Johnson are entitled to qualified
    immunity on Peck’s excessive-force claim, and we conclude that they are not.
    A preliminary issue is the scope of our jurisdiction. Congress has given us
    appellate jurisdiction over “final decisions of the district courts,” and ordinarily, an
    order denying a defendant’s motion for summary judgment is not “final” and
    therefore is not immediately appealable. 
    28 U.S.C. § 1291
    ; see Plumhoff v.
    Rickard, 
    572 U.S. 765
    , 771 (2014). But because qualified immunity is “an
    8
    immunity from suit rather than a mere defense to liability,” the Supreme Court has
    treated an order denying qualified immunity as effectively final and thus subject to
    immediate appeal. Mitchell v. Forsyth, 
    472 U.S. 511
    , 526 (1985) (emphasis
    omitted); see Plumhoff, 
    572 U.S. at
    771–72.
    That rule, however, has an important exception. We may review “the
    application of ‘clearly established’ law to a given (for appellate purposes
    undisputed) set of facts” to determine whether the facts establish a violation of a
    clearly established constitutional right, thus defeating qualified immunity. Johnson
    v. Jones, 
    515 U.S. 304
    , 313 (1995). But under Johnson, we may not review any
    “portion of a district court’s summary judgment order that, though entered in a
    ‘qualified immunity’ case, determines only a question of ‘evidence sufficiency,’
    i.e., which facts a party may, or may not, be able to prove at trial.” 
    Id.
    Distinguishing the two has perplexed courts for years. See Estate of
    Anderson v. Marsh, 
    985 F.3d 726
    , 732 (9th Cir. 2021); 
    id.
     at 735–42 (W. Fletcher,
    J., dissenting); Tuuamalemalo v. Greene, 
    946 F.3d 471
    , 479–85 (9th Cir. 2019)
    (W. Fletcher, J., concurring); Romo v. Largen, 
    723 F.3d 670
    , 686 (6th Cir. 2013)
    (Sutton, J., concurring in part and concurring in the judgment). We have described
    the scope of our jurisdiction as limited to reviewing “whether the defendant[s]
    would be entitled to qualified immunity as a matter of law, assuming all factual
    disputes are resolved, and all reasonable inferences are drawn, in plaintiff’s favor.”
    9
    George v. Morris, 
    736 F.3d 829
    , 836 (9th Cir. 2013) (quoting Karl v. City of
    Mountlake Terrace, 
    678 F.3d 1062
    , 1068 (9th Cir. 2012) (brackets in original)).
    But the distinction between making sure that only “reasonable inferences” are
    drawn (which we may do) and answering questions of “evidence sufficiency”
    (which we may not) is often difficult to discern. See Estate of Anderson, 985 F.3d
    at 735–42 (W. Fletcher, J., dissenting). Compounding the difficulty, in several
    cases after Johnson, the Supreme Court has resolved issues of qualified immunity
    in interlocutory appeals in which there was at least some dispute as to the relevant
    facts. See, e.g., Plumhoff, 
    572 U.S. at 768
    ; Scott v. Harris, 
    550 U.S. 372
    , 378
    (2007).
    Last year, in Estate of Anderson, we surveyed the case law and stated the
    rule as follows: A “public official may not immediately appeal a fact-related
    dispute about the pretrial record, namely, whether or not the evidence in the
    pretrial record was sufficient to show a genuine issue of fact for trial.” 985 F.3d at
    731 (internal quotation marks, citation, and emphasis omitted). In that case, the
    district court had denied summary judgment to an officer who shot the driver of a
    vehicle that the officer had stopped after a high-speed pursuit. Id. at 728–29. The
    officer stated that the driver had taken his hands off the steering wheel and made a
    sudden movement toward the passenger seat, as if trying to retrieve a weapon, but
    the district court determined that “a reasonable jury could conclude that [the
    10
    driver] did not make” such a movement. Id. at 730. On appeal, the officer
    challenged that determination, but we dismissed the appeal for lack of jurisdiction,
    reasoning that “rather than ‘advanc[ing] an argument as to why the law is not
    clearly established that takes the facts in the light most favorable to [the plaintiff],’
    which we would have jurisdiction to consider, [the officer] contests ‘whether there
    is enough evidence in the record for a jury to conclude that certain facts . . . are
    true,’ which we do not have jurisdiction to resolve.” Id. at 734 (quoting George,
    
    736 F.3d at 835, 837
     (first alteration in original)).
    The rule in Estate of Anderson prevents us from considering many of
    Montoya and Johnson’s arguments in this case. The district court found that there
    were genuine disputes of fact about whether Mono posed an immediate threat, and
    it concluded that when the facts were viewed in the light most favorable to the
    plaintiff, they were sufficient to make out a violation of clearly established Fourth
    Amendment law. In challenging that decision, the deputies attempt to evade
    Johnson’s jurisdictional bar by characterizing their arguments as legal ones
    directed at the materiality of disputed facts. But their efforts are poorly disguised.
    Insofar as the deputies argue that the evidence is insufficient to raise a genuine
    issue of fact, we lack jurisdiction to resolve those factual disputes.
    For example, Montoya and Johnson challenge the district court’s
    determination that there is a genuine factual dispute as to whether Mono was
    11
    moving toward the gun when the deputies fired at him. Although three deputies
    observed Mono moving toward the gun, Larry Berman, one of Mono’s neighbors,
    observed that “seconds” before the shooting, Mono was moving away from the
    couch (and, consequently, the gun). The deputies contend that an observation
    seconds before the shooting is “immaterial” because it leaves too long a gap
    between what Berman saw and when the shots were fired. Thus, they insist that
    “the district court did not cite any evidence raising a genuine dispute” regarding
    Mono’s movements at the critical moment. The probative value of Berman’s
    observation may be debated, and perhaps—though we emphasize that we do not
    decide the question—there is room for disagreement about whether the record
    contains enough evidence to allow a jury to conclude that Mono was moving away
    from the gun at the time of the shooting. But that is precisely the kind of question
    that we may not review in an interlocutory appeal. See Estate of Anderson, 985
    F.3d at 734; George, 
    736 F.3d at 835
     (explaining that we lack jurisdiction over an
    interlocutory appeal presenting “the question whether there is enough evidence in
    the record for a jury to conclude that certain facts are true” (quoting Kinney v.
    Weaver, 
    367 F.3d 337
    , 347 (5th Cir. 2004) (en banc)).
    The remainder of the deputies’ challenges founder on the same jurisdictional
    bar. They contest the district court’s determination that there are genuine disputes
    as to whether Mono grabbed or brandished the weapon and whether he was close
    12
    to the gun at all. Johnson asserts that he began firing “[a]s Mono grabbed the
    firearm,” and Montoya asserts that he began firing as Mono “began raising the
    firearm toward deputies positioned outside the windows on the north side of the
    residence.” But several facts, if believed, undercut that telling of events. The
    district court found that the deputies’ stories contradict the ballistics report and
    each other. According to Peck’s ballistics expert, the gun was recovered “180-
    degrees away” from where Montoya claimed the gun was located, and Mono must
    have been standing at least several feet away from the gun. Peck, likewise, did not
    observe a gun near Mono when she reached him after the shooting. Moreover, a
    jury might infer from the fact that the gun was recovered in its holster that
    Montoya could not have observed Mono raising it. And the ballistics expert
    concluded that “[t]he wound pattern to Mr. Mono attributed to bullets fired by
    Deputy Johnson [does] not support Deputy Johnson’s version of the shooting.”
    Again, whether that evidence is sufficient to create a genuine issue of material fact
    is not a question we can review. See Estate of Anderson, 985 F.3d at 732–33.
    So, turning to the heart of the qualified immunity analysis, we must accept
    the district court’s determinations that there are genuine disputes of fact and that a
    jury could find that Mono did not pick up the gun—and was not moving toward the
    gun—before he was shot. On those facts, Johnson and Montoya are not entitled to
    qualified immunity.
    13
    In resolving whether Montoya and Johnson are entitled to qualified
    immunity on summary judgment, we engage in a two-step inquiry. Tolan v.
    Cotton, 
    572 U.S. 650
    , 655 (2014) (per curiam). We first ask whether the facts,
    viewed in the light most favorable to the plaintiff, demonstrate that the deputies
    violated a constitutional right. 
    Id.
     at 655–56. We then ask whether that right was
    “clearly established” at the time of the alleged constitutional violation. 
    Id.
     The
    “rule’s contours must be so well defined that it is clear to a reasonable officer that
    his conduct was unlawful in the situation he confronted.” City of Tahlequah v.
    Bond, 
    142 S. Ct. 9
    , 11 (2021) (per curiam) (internal quotation marks omitted)
    (quoting District of Columbia v. Wesby, 
    138 S. Ct. 577
    , 590 (2018)).
    “In evaluating a Fourth Amendment claim of excessive force, we ask
    whether the officers’ actions are objectively reasonable in light of the facts and
    circumstances confronting them.” Rice v. Morehouse, 
    989 F.3d 1112
    , 1121 (9th
    Cir. 2021) (internal quotation marks omitted) (quoting Graham v. Connor, 
    490 U.S. 386
    , 397 (1989)). We evaluate, among other factors, (1) the “severity of the
    crime at issue,” (2) whether the suspect “poses an immediate threat to the safety of
    the officers or others,” and (3) whether the suspect “is actively resisting arrest or
    attempting to evade arrest by flight.” Graham, 
    490 U.S. at 396
    . Of these, the
    “immediate threat to safety” factor is the most important. See Rice, 989 F.3d at
    1121. But we must ultimately consider the totality of the circumstances “from the
    14
    perspective of a reasonable officer on the scene, rather than with the 20/20 vision
    of hindsight.” Graham, 
    490 U.S. at 396
    .
    Drawing all reasonable inferences in Peck’s favor, a jury could conclude that
    Montoya and Johnson fired at an unarmed man who, although in the presence of a
    gun, never picked it up and in fact was moving away from it when he was shot. We
    recognize that the deputies had received a 911 call about a potentially deadly
    encounter in which an individual had a weapon, and, once they arrived, that
    individual was behaving erratically and making statements that could be
    considered threats. But officers may not kill suspects simply because they are
    behaving erratically, nor may they “kill suspects who do not pose an immediate
    threat to their safety or to the safety of others simply because they are armed.”
    Harris v. Roderick, 
    126 F.3d 1189
    , 1204 (9th Cir. 1997); accord Estate of
    Anderson, 
    871 F.3d at
    1011–12; George, 
    736 F.3d at 838
    ; Curnow ex rel. Curnow
    v. Ridgecrest Police, 
    952 F.2d 321
    , 325 (9th Cir. 1991). A fortiori, a jury might
    conclude that because Mono was not armed—and was not about to become
    armed—he did not “pose[] an immediate threat to the police or the public, so
    deadly force [was] not justified.” Cruz v. City of Anaheim, 
    765 F.3d 1076
    , 1078–79
    (9th Cir. 2014). A jury will have to decide what actually happened.
    The deputies do not seriously question that legal principle. Instead, they
    invoke cases that describe the Fourth Amendment analysis applicable to situations
    15
    in which, as they put it, “the suspect suddenly advances toward and reaches for the
    firearm, presenting a threat of death or serious bodily injury.” But as we have
    explained, the district court determined that a reasonable jury could find that the
    shooting at issue here did not occur in such a situation.
    We have repeatedly distinguished between a suspect who is actively
    reaching for a weapon and a suspect who is armed but not reaching for the weapon.
    In Cruz, for example, officers confronted a suspected gang member during a traffic
    stop. 
    765 F.3d at
    1077–78. The officers believed that the suspect was armed.
    Affirming the district court’s denial of qualified immunity on summary judgment,
    we observed that “[i]t would be unquestionably reasonable for police to shoot a
    suspect in Cruz’s position if he reaches for a gun in his waistband, or even if he
    reaches there for some other reason.” 
    Id. at 1078
    . “Given Cruz’s dangerous and
    erratic behavior up to that point,” we explained, “the police would doubtless be
    justified in responding to such a threatening gesture by opening fire.” 
    Id.
     But at the
    same time, we held that “if the suspect doesn’t reach for his waistband or make
    some similar threatening gesture, it would clearly be unreasonable for the officers
    to shoot him.” 
    Id.
     Cruz establishes that officers may not fire at a suspect—even an
    armed suspect—absent some reason to believe that the suspect will soon access or
    use the weapon. And when viewing the facts in the light most favorable to the
    plaintiff, Mono was unarmed and not about to arm himself.
    16
    To be sure, the Fourth Amendment does not necessarily “require[] officers
    to delay their fire until a suspect turns his weapon on them,” and “[i]f the person is
    armed—or reasonably suspected of being armed—a furtive movement, harrowing
    gesture, or serious verbal threat might create an immediate threat.” George, 
    736 F.3d at 838
    . But where, as here, a jury could find that no such movement occurred,
    our cases clearly establish that the use of deadly force would be impermissible. Id.;
    accord Curnow, 
    952 F.2d at 325
    ; Cruz, 
    765 F.3d at 1079
    . We therefore affirm the
    district court’s denial of qualified immunity to Montoya and Johnson at this stage
    of the litigation.
    III
    We turn next to whether Frey, Lind, and Carrington may be held liable for
    using excessive force. Those deputies did not themselves use excessive force, or
    indeed any force at all. But the district court held that they were potentially liable
    and not entitled to qualified immunity because they were “integral participants” in
    Montoya and Johnson’s use of excessive force. We disagree.
    Section 1983 imposes liability on “[e]very person who . . . subjects, or
    causes [a plaintiff] to be subjected . . . to the deprivation of any rights, privileges,
    or immunities secured by the Constitution and laws.” In some situations, the
    Constitution may impose on an officer a duty to intervene to prevent an ongoing
    constitutional violation. See, e.g., Koon v. United States, 
    518 U.S. 81
     (1996);
    17
    Cunningham v. Gates, 
    229 F.3d 1271
    , 1289 (9th Cir. 2000). But in general, one
    does not “subject” someone to a deprivation of a constitutional right—or “cause
    [someone] to be subjected” to such a deprivation—simply by watching others
    violate the Constitution. To be liable under section 1983, a defendant official
    “must be more than a ‘mere bystander.’” Reynaga Hernandez v. Skinner, 
    969 F.3d 930
    , 941 (9th Cir. 2020) (brackets omitted) (quoting Bravo v. City of Santa Maria,
    
    665 F.3d 1076
    , 1090 (9th Cir. 2011)). Under our cases, an official whose
    “individual actions” do “not themselves rise to the level of a constitutional
    violation” may be held liable under section 1983 only if the official is an “integral
    participant” in the unlawful act. 
    Id.
     (citation and internal quotation marks omitted).
    We have not previously “define[d] the minimum level of involvement for
    liability under the integral-participant doctrine,” Reynaga Hernandez, 969 F.3d at
    941, but our precedents have permitted liability in two situations: those in which
    (1) the defendant knows about and acquiesces in the constitutionally defective
    conduct as part of a common plan with those whose conduct constitutes the
    violation or (2) the defendant “set[s] in motion a series of acts by others which [the
    defendant] knows or reasonably should know would cause others to inflict the
    constitutional injury.” Johnson v. Duffy, 
    588 F.2d 740
    , 743–44 (9th Cir. 1978);
    accord Buck v. City of Albuquerque, 
    549 F.3d 1269
    , 1279–80 (10th Cir. 2008);
    Gutierrez-Rodriguez v. Cartagena, 
    882 F.2d 553
    , 560–61 (1st Cir. 1989).
    18
    Our decision in Boyd v. Benton County is illustrative of the first situation.
    
    374 F.3d 773
     (9th Cir. 2004). There, a group of officers executed a search warrant
    at a home; some provided armed backup while another unlawfully threw a flash-
    bang device inside. 
    Id. at 780
    . We held that the backup officers were integral
    participants in the use of the flash-bang because “every officer was aware of the
    decision to use the flash-bang, did not object to it, and participated in the search
    operation knowing the flash-bang was to be deployed.” 
    Id.
     But that category of
    liability is fairly narrow, as demonstrated by our subsequent decision in Hopkins v.
    Bonvicino, in which we held that an officer who stood in the front yard of a house
    interviewing witnesses while other officers carried out an unlawful search was not
    an integral participant in that search. 
    573 F.3d 752
    , 770 (9th Cir. 2009). In so
    holding, we emphasized that the defendant had “participated in neither the
    planning nor the execution of the unlawful search.” 
    Id.
     In other words, simply
    being present at the scene does not demonstrate that an officer has acted as part of
    a common plan.
    Our decision in Reynaga Hernandez illustrates the second situation. That
    case involved an arrest that was unlawfully conducted without probable cause. 969
    F.3d at 941. We held that an officer who had ordered that the plaintiff be “picked
    up” was an integral participant in the unlawful arrest. Id. at 942. We explained that
    the plaintiff’s detention was not only “a reasonably foreseeable consequence” but
    19
    “perhaps the only reasonable interpretation” of the officer’s order. Id. In other
    words, the officer’s order caused the unlawful arrest; the officer knew that the
    order would do so; and, because the officer had no basis for believing that there
    was probable cause, he also knew that the resulting arrest would be unlawful. See
    also Nicholson v. City of Los Angeles, 
    935 F.3d 685
    , 692 (9th Cir. 2019) (holding
    an officer liable as an integral participant in an unlawfully prolonged detention
    because he was “the initial officer who set the[] events into motion, and either
    instructed the other officers to arrest Plaintiffs or consulted with them in that
    decision” (emphasis omitted)).
    Similarly, in Blankenhorn v. City of Orange, we held that an officer who did
    not himself use excessive force but who handcuffed a suspect—and, thus,
    facilitated another officer’s subsequent unlawful act of applying “hobble
    restraints”—was an integral participant in that use of force. 
    485 F.3d 463
    , 481 n.12
    (9th Cir. 2007). Although we did not expressly discuss the defendant officer’s
    knowledge of whether hobble restraints would be applied, the close physical and
    temporal connection between the defendant’s act and that of the other officer made
    it reasonable for a jury to infer that he knew what his fellow officer was about to
    do and intended to facilitate it. We therefore affirmed the denial of summary
    judgment to the defendant.
    20
    We recognize that in Reynaga Hernandez we left open the question
    “whether we import both proximate cause and but-for cause into our integral-
    participant doctrine,” and we noted that Blankenhorn could be read to mean “that
    we require only but-for cause.” 969 F.3d at 942. Picking up on that suggestion, the
    district court here reasoned that Frey, at least, could be deemed an integral
    participant because by speaking with Metzler he “put the process in motion” that
    ultimately led to the shooting—in other words, that he was a but-for cause of the
    shooting. But contributing to or facilitating a constitutional violation requires more
    than simply but-for causation, which is an extraordinarily expansive concept. See
    United States v. George, 
    949 F.3d 1181
    , 1187 (9th Cir. 2020) (explaining that “a
    but-for cause of a harm can be anything without which the harm would not have
    happened”). After all, “a but-for cause is not always (in fact not often) a cause
    relevant to legal liability.” United States v. Hatfield, 
    591 F.3d 945
    , 948 (7th Cir.
    2010); see Holmes v. Securities Inv. Prot. Corp., 
    503 U.S. 258
    , 266 n.10 (1992). In
    this case, for example, a standard of pure but-for cause, not tied to the defendant’s
    knowledge or intent, would subject to liability not only the non-shooting deputies
    at Mono’s house, but also the 911 dispatcher who sent them to the scene, and, for
    that matter, the mechanic who fixed their cars so they could drive there.
    Extending liability so broadly would be inconsistent with three principles
    that govern actions under section 1983. First, “vicarious liability is inapplicable to
    21
    Bivens and § 1983 suits,” and therefore “a plaintiff must plead that each
    Government-official defendant, through the official’s own individual actions, has
    violated the Constitution.” Ashcroft v. Iqbal, 
    556 U.S. 662
    , 676 (2009); see Keates
    v. Koile, 
    883 F.3d 1228
    , 1242 (9th Cir. 2018); Crowley v. Bannister, 
    734 F.3d 967
    ,
    977 (9th Cir. 2013). In other words, “each Government official . . . is only liable
    for his or her own misconduct.” Iqbal, 
    556 U.S. at 677
    . It follows that liability may
    not be imposed based on a “team effort” theory that would “allow[] the jury to
    lump all the defendants together, rather than require it to base each individual’s
    liability on his own conduct.” Chuman v. Wright, 
    76 F.3d 292
    , 295 (9th Cir. 1996).
    Instead, “[f]or an official to be liable for another actor’s depriving a third party of
    his constitutional rights, that official must have at least the same level of intent as
    would be required if the official were directly to deprive the third party of his
    constitutional rights.” Lacey v. Maricopa County, 
    693 F.3d 896
    , 916 (9th Cir.
    2012).
    Second, the doctrine of qualified immunity, which limits individual liability
    in section 1983 actions, demands that the law be “clearly established” so that it
    would have been “clear to a reasonable officer that his conduct was unlawful in the
    situation he confronted.” City of Tahlequah, 142 S. Ct. at 11 (quoting Wesby, 
    138 S. Ct. at 590
    ). The Supreme Court “has recognized that ‘[i]t is sometimes difficult
    for an officer to determine how the relevant legal doctrine . . . will apply to the
    22
    factual situation the officer confronts.’” Mullenix v. Luna, 
    577 U.S. 7
    , 12 (2015)
    (per curiam) (alteration in original) (quoting Saucier v. Katz, 
    533 U.S. 194
    , 205
    (2001)). Thus, the key question is “whether the violative nature of particular
    conduct is clearly established.” 
    Id.
     (quoting Ashcroft v. al-Kidd, 
    563 U.S. 731
    , 742
    (2011)). Liability requires at least enough individual involvement from each
    defendant to put him on notice that his conduct might reasonably lead to a
    constitutional violation.
    Third, section 1983 “creates a species of tort liability” that incorporates
    common-law tort principles. Imbler v. Pachtman, 
    424 U.S. 409
    , 417 (1976); see
    also Wilson v. Garcia, 
    471 U.S. 261
    , 277 (1985); Carey v. Piphus, 
    435 U.S. 247
    ,
    253–55 (1978). Courts therefore “turn to the causation factors developed in the
    common law of torts to supply the necessary causation factor in the civil rights
    field.” Stevenson v. Koskey, 
    877 F.2d 1435
    , 1438 (9th Cir. 1989). At common law,
    a defendant is liable for the acts of another if the defendant “does a tortious act in
    concert with the other or pursuant to a common design with him, or,” alternatively,
    “knows that the other’s conduct constitutes a breach of duty and gives substantial
    assistance or encouragement to the other so to conduct himself.” Restatement
    (Second) of Torts § 876 (1979). That standard does not permit the imposition of
    liability on a defendant who was unable to foresee that his conduct would lead to
    the commission of a tort.
    23
    Based on those principles, we conclude that an actor may be deemed to have
    “cause[d] [a plaintiff] to be subjected” to a constitutional violation, 
    42 U.S.C. § 1983
    , and thus to be an integral participant in the violation, only if (1) the
    defendant knew about and acquiesced in the constitutionally defective conduct as
    part of a common plan with those whose conduct constituted the violation, or (2)
    the defendant set in motion a series of acts by others which the defendant knew or
    reasonably should have known would cause others to inflict the constitutional
    injury.
    Applying that standard, we easily conclude that Frey, Lind, and Carrington
    were not integral participants in Mono’s shooting. The shooting was completely
    unplanned; there is no suggestion that Frey, Lind, and Carrington formed a plan
    whereby Montoya and Johnson would deploy excessive force. Nor did they have
    any reason to know that their actions—providing armed backup—would enable the
    later use of excessive force. Perhaps it was foreseeable that a shooting might take
    place when the deputies arrived on the scene of a 911 call about an encounter in
    which an individual had brandished a weapon and was behaving erratically. But
    Frey, Lind, and Carrington had no reason to know that an unconstitutional
    shooting would take place. The deputies received a report that a man was using a
    firearm to threaten others; it was not unreasonable—much less a constitutional
    violation—for them to treat the situation as a potentially hostile and dangerous
    24
    encounter, justifying their decision to surround the house with weapons drawn and
    establish a safety perimeter.
    Peck identifies several ways in which the deputies may have deviated from
    best practices in the actions they took before the shooting. For example, Peck
    alleges that the deputies violated department policy by failing to speak with Heflin
    (who could have explained to them that Mono did not pose a threat) and by
    surrounding the house in an aggressive posture rather than retreating or awaiting
    backup. But that does not mean that they contributed to a constitutional violation.
    Peck’s reasoning is similar to the analysis that the Supreme Court rejected in
    County of Los Angeles v. Mendez, 
    137 S. Ct. 1539
    , 1547 (2017). There, the Court
    emphasized that “[a]n excessive force claim is a claim that a law enforcement
    officer carried out an unreasonable seizure through a use of force that was not
    justified under the relevant circumstances. It is not a claim that an officer used
    reasonable force after committing a distinct Fourth Amendment violation such as
    an unreasonable entry.” 
    Id.
     Still less is it a claim that the officer used force after
    committing a policy violation that did not itself violate the Fourth Amendment. On
    Peck’s theory, any policy violation would make an officer strictly liable for any
    subsequent constitutional violation by her fellow officers. That is not the law.
    Because Frey, Lind, and Carrington did not form a plan to shoot Mono, nor
    did they set in motion acts by Montoya and Johnson that they knew or should have
    25
    known would cause a constitutional violation, Frey, Lind, and Carrington were not
    integral participants in the constitutional violation. The district court therefore
    erred in denying their motion for summary judgment on the excessive-force claim.
    IV
    Finally, Peck asserts that the deputies violated the Fourteenth Amendment
    by depriving her of her interest in the companionship and society of her husband,
    Mono. The deputies are entitled to qualified immunity on that claim because Peck
    has not established any constitutional violation, let alone a clearly established one.
    The Due Process Clause of the Fourteenth Amendment provides that a State
    may not “deprive any person of life, liberty, or property, without due process of
    law.” U.S. Const. amend. XIV, § 1. The Supreme Court has held that the clause
    guarantees not only fair process but also certain substantive rights. Washington v.
    Glucksberg, 
    521 U.S. 702
    , 719 (1997) (“The Due Process Clause guarantees more
    than fair process, and the ‘liberty’ it protects includes more than the absence of
    physical restraint.”). But in Graham, the Supreme Court held that “all claims that
    law enforcement officers have used excessive force—deadly or not—in the course
    of an arrest, investigatory stop, or other ‘seizure’ of a free citizen should be
    analyzed under the Fourth Amendment and its ‘reasonableness’ standard, rather
    than under a ‘substantive due process’ approach.” 
    490 U.S. at 395
     (emphasis
    omitted). We have construed the Court’s statement in Graham to limit only claims
    26
    brought by “the person who claims excessive force was directed at him,” leaving
    open the possibility of substantive due process claims by a parent or child who
    claims “loss of the companionship and society” of the decedent. Curnow, 
    952 F.2d at 325
    ; see also Hayes v. County of San Diego, 
    736 F.3d 1223
    , 1229–30 (9th Cir.
    2013); Lemire v. California Dep’t of Corr. & Rehab., 
    726 F.3d 1062
    , 1075 (9th
    Cir. 2013).
    This case involves a familial-association claim asserted by a spouse, rather
    than a parent or child. We have not previously held whether a substantive due
    process right exists in that context, and other courts of appeals have reached
    conflicting conclusions. Compare, e.g., Griffin v. Strong, 
    983 F.2d 1544
    , 1546–48
    (10th Cir. 1993) (recognizing such a right), with Harbury v. Deutch, 
    233 F.3d 596
    ,
    607 (D.C. Cir. 2000) (declining to “extend a constitutional right to familial
    association to cases where . . . the government has indirectly interfered with a
    spousal relationship”), rev’d on other grounds sub nom. Christopher v. Harbury,
    
    536 U.S. 403
     (2002). Were we to confront the question, we would have to consider
    not only the language from Graham quoted above but also the standards of
    Glucksberg, which counsel caution in the extension of substantive due process
    rights. See Glucksberg, 
    521 U.S. at 720
     (noting that the Court has “always been
    reluctant to expand the concept of substantive due process because guideposts for
    responsible decisionmaking in this unchartered area are scarce and open-ended”
    27
    (quoting Collins v. Harker Heights, 
    503 U.S. 115
    , 125 (1992)). We need not
    consider those issues, however, because even under our case law relating to
    familial-association claims asserted by parents and children, the claim here fails.
    To determine whether a violation of substantive due process occurred, we
    look to whether the officers’ conduct deprived Peck of her familial interest in a
    manner that “shocks the conscience.” Hayes, 
    736 F.3d at 1230
    . That is a more
    demanding standard than the “reasonableness” test that governs excessive-force
    claims under the Fourth Amendment. See Moreland v. Las Vegas Metro. Police
    Dep’t, 
    159 F.3d 365
    , 371–72 (9th Cir. 1998). And to determine, in turn, whether
    conduct shocks the conscience, we apply a more specific standard that varies
    depending on the circumstances in which the defendants acted. On the one hand, if
    the defendants confronted a situation in which “actual deliberation [was]
    practical,” then their “deliberate indifference” to the harm they caused may be
    sufficient to shock the conscience. Hayes, 
    736 F.3d at 1230
    . We apply the
    deliberate-indifference standard when officials had “ample time to correct their
    obviously [wrongful conduct],” such as in Eighth Amendment prisoner-treatment
    cases or in wrongful-detention cases. See Porter v. Osborn, 
    546 F.3d 1131
    , 1139
    (9th Cir. 2008). On the other hand, if the defendants had to make a “snap judgment
    because of an escalating situation,” then their conduct does not shock the
    conscience unless they “act[ed] with a purpose to harm unrelated to legitimate law
    28
    enforcement objectives.” Hayes, 
    736 F.3d at 1230
     (emphasis added); see also
    County of Sacramento v. Lewis, 
    523 U.S. 833
    , 836 (1998). We apply the purpose-
    to-harm standard when officials were required to make “repeated split-second
    decisions” about how best to respond to a risk, such as during a high-speed car
    chase or when confronting a threatening, armed suspect. Porter, 
    546 F.3d at 1139
    (citation omitted); see, e.g., Lewis, 
    523 U.S. at
    853–54; Hayes, 
    736 F.3d at 1230
    .
    Our decision in Porter is particularly instructive here. In that case, an officer
    responding to a report of an abandoned vehicle shot and killed the driver in the
    ensuing encounter. 
    546 F.3d at
    1132–33. We emphasized that the five-minute
    incident forced the officer to confront “an evolving set of circumstances that took
    place over a short time period necessitating ‘fast action.’” 
    Id. at 1139
     (quoting
    Lewis, 
    523 U.S. at 853
    ). We rejected the suggestion that five minutes “was enough
    time for [the officer] to consider what he was doing before he acted,” noting that
    “‘deliberation’ for purposes of the shocks the conscience test is not so literal a
    concept.” 
    Id.
     Even though, “logically,” an officer might have been able to engage
    in some form of deliberation, we concluded that the purpose-to-harm standard
    applied. 
    Id.
     at 1139–40 (citing Lewis, 
    523 U.S. at
    851 n.11).
    Although the encounter in this case took slightly longer, our observations in
    Porter are equally applicable here. Much of the encounter was spent in what the
    district court correctly characterized as a “stalemate.” Only a few minutes elapsed
    29
    between when the deputies observed the firearm and when they opened fire, and
    mere seconds separated Johnson’s commands that Mono not approach the gun and
    the fatal shots. To be sure, the initial 911 call alerted the deputies to the existence
    of a gun on the property. But mere knowledge that someone might have access to a
    gun does not necessarily entail knowledge of how he might use it. Once the
    deputies identified the gun, they were required to develop a concrete tactical
    response quickly, making repeated snap judgments and assessing Mono’s every
    move. In such a fast-paced environment, deliberate action within the meaning of
    our cases was not possible.
    Peck argues that the deputies made flawed tactical choices early in the
    encounter, thereby creating a more lethal environment. But the purpose-to-harm
    standard can apply even where “the officer may have helped to create an
    emergency situation by his own excessive actions.” Porter, 
    546 F.3d at 1132
    ; see
    also Hayes, 
    736 F.3d at 1230
     (applying the purpose-to-harm standard to a lethal
    shooting even though the officers “could have potentially avoided the incident by
    obtaining more information about Hayes or requesting a psychiatric emergency
    response team . . . before entering the house”).
    Under the purpose-to-harm standard, Peck’s claim fails because no showing
    of such a purpose has been made or even attempted. No evidence suggests that the
    deputies shot Mono for any other purpose than their (possibly mistaken) perception
    30
    of the need for self-defense. Consequently, there was no Fourteenth Amendment
    violation, and the deputies are entitled to qualified immunity on this claim.
    AFFIRMED in part and REVERSED in part; REMANDED.
    31
    FILED
    Susan Peck v. Anthony Montoya, No. 20-56413, 21-55411
    OCT 18 2022
    SCHROEDER, Circuit Judge, Concurring in the Result:                     MOLLY C. DWYER, CLERK
    U.S. COURT OF APPEALS
    The facts of this case constitute a tragedy of errors. Deputies standing
    outside the windows of his house, shot and killed Mono, a legally blind, elderly,
    and unarmed man experiencing a mental health crisis. The deputies were
    summoned to the scene by a 911 caller outside the house. The caller, having
    listened in on a conversation taking place inside the house and having heard Mono
    talk in a threatening way about a gun, hung up to call 911 before he could hear the
    conversation come to an amicable end.
    Responding to the call, five deputies, armed and in uniform, headed directly
    to the house and stationed themselves at the windows, making no inquiry of the
    two witnesses outside, other than to confirm one was the 911 caller. Had the
    deputies spoken to the witness who had been inside the house, and who knew
    Mono well, the deputies probably would have learned the gun was not loaded and
    that Mono was not a threat. Instead, the deputies rushed to the windows without
    explaining who they were or why they were there. Plaintiff, the victim’s wife, was
    on medication at the time and could not coherently explain the situation to the
    officers outside.
    When one of the deputies saw the gun on a couch and highlighted it for the
    other deputies with his flashlight, the action prompted an angry response from
    Mono. There is some dispute over whether Mono may have reached for the gun
    but there is no dispute that two of the five deputies then immediately shot and
    killed Mono. When the gun was later located at the scene, it was still in its holster,
    unloaded. In my view, in the events leading up to Mono’s death, there is plenty of
    blame to go around.
    We must deal, however, with a claim of excessive force against the deputies.
    Under our circuit law, an officer may use deadly force only where there is an
    immediate threat to the officer or to others. See Cruz v. City of Anaheim, 
    765 F.3d 1076
    , 1078-79 (9th Cir. 2014). The majority opinion holds that the deputies who
    shot Mono are not entitled to qualified immunity because, when the facts are
    viewed through the proper lens, which is the most favorable to the plaintiff, there
    was no immediate threat of harm to anyone. The deputies who used deadly force
    are not entitled to qualified immunity. The majority correctly recognizes this. So
    did the district court.
    The more difficult question is whether the district court correctly held that
    the other three deputies, who did not shoot, should similarly be denied qualified
    immunity. Under our circuit law, where constitutional claims are brought against
    multiple officers connected to an investigation, we ask whether the officers were
    “integral participants” in the constitutional violation. Reynaga Hernandez v.
    Page 2 of 4
    Skinner, 
    969 F.3d 930
    , 941 (9th Cir. 2020). I agree with the majority’s conclusion
    that the non-shooting deputies are entitled to qualified immunity because under
    that standard, they were not “integral participants” in the use of excessive force.
    The district court denied qualified immunity to the three non-shooting
    deputies, finding that they were integral participants in the investigation. The
    problem, however, is that the non-shooting deputies were not integral participants
    in the constitutional violation, which was the shooting itself. I therefore conclude
    the majority opinion correctly holds the three non-shooting deputies are entitled to
    qualified immunity.
    That is all that the case is about. As part of its discussion of integral
    participation, however, the opinion adds an unnecessary discussion of but-for
    causation, apparently in order to cast doubt on its applicability in this circuit. This
    is an issue no party has briefed, the district court did not discuss, and that is not
    relevant to the question at hand. No one has suggested the non-shooting deputies
    may have been but-for causes of Mono’s death. To the extent there may be an
    open question in our circuit about the applicability of but-for causation, the
    question should be answered in a case where the issue is raised.
    Nor is it for us to opine on what the officers may have been thinking, or
    what they thought they were accomplishing when they stationed themselves at the
    Page 3 of 4
    windows. Specifically, I can not accept the suggestion that we regard the purpose
    of what, at this stage, we must regard as rash and menacing actions on the part of
    the officers, was to create a “safety perimeter” around the outside of the house. See
    Majority Opinion at 25.
    This is a tragic case for everyone involved. The issue of whether the
    shooting deputies should be held accountable for Mono’s death is ultimately for a
    jury to determine. That is the result that flows from the majority opinion and the
    result in which I concur.
    Page 4 of 4