Commonwealth v. Howard ( 2018 )


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    SJC-12199
    COMMONWEALTH   vs.    CLYDE HOWARD.
    Middlesex.       December 8, 2017. - March 5, 2018.
    Present:    Gants, C.J., Gaziano, Lowy, & Cypher, JJ.
    Homicide. Practice, Criminal, Instructions to jury, Lesser
    included offense, Capital case, Jury and jurors. Jury and
    Jurors. Evidence, Prior misconduct.
    Indictment found and returned in the Superior Court
    Department on March 19, 2009.
    Following review by this court, 
    469 Mass. 721
     (2014), the
    case was tried before Brian A. Davis, J.
    Sharon Dehmand for the defendant.
    Jamie Michael Charles, Assistant District Attorney, for the
    Commonwealth.
    GAZIANO, J.     On January 28, 2009, a heated argument between
    the defendant and a coworker, Maurice Ricketts (victim),
    escalated into a fatal shooting.       At trial, there was no dispute
    that the defendant had shot the victim; the issue before the
    2
    jury was the defendant's state of mind and whether the shooting
    had been in response to some form of reasonable provocation.
    A Superior Court jury convicted the defendant of murder in
    the first degree on the theory of deliberate premeditation.1      In
    this direct appeal from his conviction, the defendant challenges
    the judge's decision not to instruct the jury on the lesser
    included offense of voluntary manslaughter based on sudden
    combat; the adequacy of the instructions on reasonable
    provocation and lesser included offenses; the dismissal of an
    empanelled juror shortly before deliberations began; and the
    judge's decision to allow the introduction of prior bad act
    evidence.2   The defendant also asks this court to exercise its
    extraordinary authority under G. L. c. 278, § 33E, and reduce
    the verdict to murder in the second degree or manslaughter.     For
    the reasons that follow, we affirm the defendant's conviction
    and, after a thorough review of the entire trial record, decline
    to allow relief under G. L. c. 278, § 33E.
    1
    This was the defendant's second trial. In 2014, we
    vacated the defendant's conviction of murder in the first degree
    because of the erroneous admission of a portion of his statement
    to police after he had invoked his right to remain silent. See
    Commonwealth v. Howard, 
    469 Mass. 721
    , 723 (2014).
    2
    At his first trial, the defendant also was convicted of
    possession of a firearm without a license, possession of
    ammunition without a firearms identification card, and
    discharging a weapon within 500 feet of a building. Howard, 469
    Mass. at 722 n.1. Those convictions are not before us.
    3
    1.     Facts.   We recite the facts the jury could have found,
    reserving other facts for our discussion of specific issues.       In
    January, 2009, the defendant and the victim were coworkers at a
    pool supply distributor.      The defendant, a janitor and handyman,
    had been employed there for over eleven years.      In 2007, the
    distributor hired the victim to work as an "order puller"; this
    position involved working in the warehouse, assembling products
    to fill customer orders.
    Over the course of the victim's employment, the defendant,
    who was sixty-five years old, and the victim, who was thirty-
    three, had been involved in a number of workplace altercations.3
    Approximately three months before the shooting, the defendant
    and the victim engaged in an altercation over the use of a
    forklift.    The victim had been using a forklift inside the
    warehouse, and stopped using it momentarily.      Seeing no one on
    the forklift, the defendant took it to use for one of his own
    tasks.    The victim returned to the warehouse, saw the defendant
    operating the forklift, became enraged, and physically forced
    the defendant off the forklift.      The defendant described it as
    the victim removing him from the forklift by grabbing him around
    the neck.    Later that day, the defendant intentionally backed
    into the victim's automobile while it was parked in the
    3
    The defendant stood five feet, eight inches tall and
    weighed 180 to 190 pounds. The victim was six feet, one inch
    tall and weighed approximately 230 pounds.
    4
    employees' lot.   As a result of these two incidents, a manager
    called both the defendant and the victim to his office and
    informed them that if there were any further incidents, they
    would be discharged.
    On January 28, 2009, the defendant reported to work at
    9 A.M., and began his ordinary routine.    A few minutes after
    10 A.M., the defendant walked through the warehouse carrying a
    trash bag, headed toward a Dumpster located in a fenced-in yard.
    A coworker, Michael Najarian, Jr., saw the defendant walking
    past and engaged in a brief, casual conversation with him.
    Najarian later saw the defendant return to the warehouse from
    the yard.   As he was heading to the front pedestrian entrance of
    the building, the defendant walked past the victim, who was
    assembling an order near the front door.    The defendant stopped
    and turned around.   Najarian heard a "rather loud explosion of
    yelling."   Najarian looked up and saw the defendant and the
    victim standing face to face, no more than three or four feet
    apart, screaming at each other.   Najarian was unable to
    understand what they were saying, but headed towards them to
    break up the argument, so that neither would get in trouble with
    management.4
    4
    A portion of the confrontation was recorded by a video
    surveillance camera in the warehouse. The events visible on the
    recording are consistent with Najarian's testimony. The footage
    shows the front of the warehouse from the inside, with a larger,
    5
    As Najarian approached from behind the victim, he saw the
    victim "reaching toward his right side, almost towards his
    belt."   The victim then suddenly turned around and ran away from
    the defendant toward the back door of the warehouse and through
    the door to the back yard.   With the victim no longer
    obstructing his view, Najarian was able to see that the
    defendant's "arm [was] raised with a gun [in] his hand at
    roughly a [forty-five]-degree angle, pointing towards the
    ground."   The defendant fired a shot in the direction of the
    victim, and ran after him through the rear door of the warehouse
    into the fenced-in yard.
    Najarian ran across the street to the office in order to
    alert other employees and telephone 911.   The manager and the
    assistant manager immediately went to the warehouse building.
    As they approached the building, they heard two gunshots coming
    from the rear, and ran along the outside of the building toward
    the fenced-in yard.   Peering through a gap in the fence, they
    closed garage door and the smaller, pedestrian entrance. The
    defendant is seen entering the warehouse through the pedestrian
    door carrying a bag of trash. Someone who is at some points
    visible on camera is apparently driving a forklift and placing
    pallets of buckets of pool supplies near the door. A few
    minutes later, the defendant reappears in view, without the
    trash bag. He opens the pedestrian door and heads through the
    doorway, and then turns around and takes a step towards someone
    (the victim) who is approaching him at a brisk pace. They face
    each other from a few feet apart for at most a few seconds
    before the defendant pulls something from a pocket and extends
    his arm, as the other man turns and runs toward the back of the
    warehouse, out of the camera's view.
    6
    saw the defendant standing next to a Dumpster with his arm
    extended, holding something in his hand.     He fired two shots at
    a downward angle; both the manager and the assistant manager
    heard groaning sounds coming from behind the Dumpster.     After
    the second shot, the manager heard the muffled voice of the
    defendant saying "something to the extent, like, 'I got you' or
    'I finally got you.'"    As the manager, who was unable to see the
    victim, was yelling to the defendant asking what he was doing,
    the defendant headed back toward the warehouse door, paused,
    turned around, walked back to the Dumpster, raised his arm, and
    fired another shot.
    The manager and the assistant manager ran around the
    building to the front door of the warehouse.     They arrived just
    as the defendant was leaving.    The defendant pushed past them,
    saying, "I gotta get out of here.    The guy, the freaking guy,
    came at me with a hammer."     The defendant ran toward his white
    van and drove off at a high rate of speed.
    A Cambridge police officer and emergency medical
    technicians found the victim wedged between the Dumpster and a
    stack of pallets.     He had two gunshot wounds to the head, and
    died upon arrival at a hospital.    One of the gunshots entered
    the left side of the victim's face without damaging his brain
    and was considered nonfatal.    The gunshot that produced the
    7
    second, fatal wound was fired from close range (within eighteen
    inches) into the back of the victim's head.
    Later that day, at 4 P.M., a Boston police officer, alerted
    by a "be on the lookout" broadcast, spotted the defendant's
    white van parked near an intersection in a Boston neighborhood.
    The defendant was asleep in the driver's seat with a cellular
    telephone pressed to his ear.   The officer removed the
    defendant, who was intoxicated, from the van.    When asked if he
    was carrying a weapon, the defendant replied, "No, I threw it in
    the Charles River."   At a Boston police station, the defendant
    made a series of unsolicited statements about the shooting,
    including the comment, "I'm not a bad guy.    The guy was always
    fucking with me, you know, treating me like a woman, slapping
    me, you know.   One time he told me to pull out my knife, he'll
    knock me the fuck out."   Because of the defendant's obvious
    intoxication, he was not interviewed that night.
    The next morning, a Cambridge detective and a State police
    trooper interviewed the defendant.   The defendant told the
    police that he was afraid of the victim, whom he described as a
    "big guy" and an ex-convict who had served a lengthy prison
    sentence.   The defendant reported that the victim frequently
    called him a "faggot" and would "stare [him] down."    Recounting
    the forklift incident, the defendant told investigators that the
    victim "jacked [him] up" and threatened to "knock [him] out."
    8
    The defendant said that, for the previous six months, he had
    been carrying a gun in his jacket pocket because the victim
    "jacked [him] up that time, and [he] was running scared."
    On the morning of the shooting, the victim had approached
    him "in a threatening manner, but in a subtle way" with a
    sledgehammer.   After that incident, the defendant encountered
    the victim while passing through the warehouse, they "had
    words," and he "just had enough."    "We made eye contact because
    I just got sick and tired of turning away and running like -- I
    just had enough. . . .    He said, 'Why you keep staring at me?'
    And I said, 'No.     You are staring at me.   You're staring me
    down' . . . .   And that's when all hell break loose, and that's
    the end of everything that happened there."      According to the
    defendant, he told the victim to stop, and the victim paused,
    but then kept coming toward him.    The defendant, who was in a
    "daze," did not see the victim's hands and did not see if he was
    holding anything.5
    At trial, the defendant presented expert testimony from a
    forensic psychologist, Dr. Charles Ewing.     Ewing diagnosed the
    defendant with posttraumatic stress disorder and opined that, as
    a result, the defendant was in fear for his life at the time
    5
    The defendant and the victim routinely carried box cutter
    knives in their pockets. This was a common practice of
    employees at the company, who used the knives to cut open
    products strapped to pallets. At the hospital, a police officer
    recovered a box cutter knife from the victim's clothing.
    9
    that he fired the first shot (that missed) toward the victim.
    Ewing testified that the absence of physical contact did not
    matter; the victim's hostile approach toward the defendant
    caused him to fear imminent bodily harm.    After the first shot,
    the defendant went into a dissociative or "trance-like" state,
    and lacked the capacity to "think or reason clearly."        In
    rebuttal, the Commonwealth called Dr. Alison Fife, a forensic
    psychiatrist, who testified that the defendant was not suffering
    from any mental illness on the day of the shooting.
    The jury convicted the defendant of murder in the first
    degree on the theory of deliberate premeditation.
    2.    Discussion.   a.   Instruction on sudden combat.     The
    defendant argues that a new trial is required because the judge
    denied his motion that the jury be instructed on the lesser
    included offense of voluntary manslaughter based on sudden
    combat.   The defendant objected when the instruction was not
    given.    We therefore review the judge's decision for prejudicial
    error.    See Commonwealth v. Cruz, 
    445 Mass. 589
    , 591 (2005).
    A manslaughter instruction is required if the evidence,
    considered in a light most favorable to the defendant, would
    permit a verdict of manslaughter rather than murder.     See
    Commonwealth v. Nelson, 
    468 Mass. 1
    , 13 (2014); Commonwealth v.
    Colon, 
    449 Mass. 207
    , 220, cert. denied, 
    552 U.S. 1079
     (2007).
    Manslaughter is a common-law crime that is defined in general
    10
    terms as an unlawful killing without malice.    Commonwealth v.
    Webster, 
    5 Cush. 295
    , 308 (1850).    Voluntary manslaughter is a
    killing committed in "a sudden transport of heat of passion or
    heat of blood, upon reasonable provocation and without malice,
    or upon sudden combat."   Commonwealth v. Burgess, 
    450 Mass. 422
    ,
    438 (2008), quoting Commonwealth v. Campbell, 
    352 Mass. 387
    , 397
    (1967).6   See Commonwealth v. Smith, 
    460 Mass. 318
    , 325 (2011)
    (reasonable provocation must meet subjective and objective
    standards).
    Over the Commonwealth's objection, and "in an abundance of
    caution," the judge instructed the jury on voluntary
    manslaughter based on reasonable provocation.    The defendant
    contends that, because the mitigating circumstances of
    reasonable provocation and sudden combat are indistinguishable,
    it is error to instruct on reasonable provocation and not to
    provide an instruction on sudden combat.
    The mitigating circumstances of reasonable provocation and
    sudden combat are so closely related that "much of our case law
    treats them indistinguishably."     Commonwealth v. Camacho, 
    472 Mass. 587
    , 601 n.19 (2015).   There are differences, however,
    between reasonable provocation and sudden combat.    Reasonable
    provocation encompasses a wider range of circumstances likely to
    6
    A conviction of voluntary manslaughter also may be based
    on the excessive use of force in self-defense. Commonwealth v.
    Espada, 
    450 Mass. 687
    , 694 (2008).
    11
    cause an individual to lose self-control in the heat of passion
    than does sudden combat.     See Commonwealth v. Schnopps, 
    383 Mass. 178
    , 180-182 (1981) (reasonable provocation instruction
    warranted by victim's admission of adultery).     "[S]udden combat
    is among those circumstances constituting reasonable
    provocation."    Camacho, supra, quoting Commonwealth v. Walczak,
    
    463 Mass. 808
    , 820 (2012) (Lenk, J., concurring).     See
    Commonwealth v. Peters, 
    372 Mass. 319
    , 324 (1977) ("sudden
    combat is one of the events which may provoke the perturbation
    of mind that can end in a killing without malice").     Thus, it is
    more accurate to view sudden combat as a form of reasonable
    provocation.     See Walczak, supra (Lenk, J., concurring).
    Our decision in Webster, 5 Cush. at 308, provides guidance
    as to the type of altercation that may constitute sudden combat.
    "When two meet, not intending to quarrel, and angry words
    suddenly arise, and a conflict springs up in which blows are
    given on both sides, without much regard to who is the
    assailant, it is a mutual combat.     And if no unfair advantage is
    taken in the outset, and the occasion is not sought for the
    purpose of gratifying malice, and one seizes a weapon and
    strikes a deadly blow, it is regarded as homicide in heat of
    blood . . . ."    Id.   Our jurisprudence has relied upon this
    definition for more than 150 years.     See Commonwealth v.
    Rodriquez, 
    461 Mass. 100
    , 107 (2011); Commonwealth v. Clemente,
    12
    
    452 Mass. 295
    , 320-321 (2008), cert. denied, 
    555 U.S. 1181
    (2009).
    In Commonwealth v. Espada, 
    450 Mass. 687
    , 697 (2008),
    quoting Commonwealth v. Pasteur, 
    66 Mass. App. Ct. 812
    , 822
    (2006), we clarified that, "for sudden combat to be the basis of
    a voluntary manslaughter instruction the 'victim . . . must
    attack the defendant or at least strike a blow against the
    defendant.'"   See Commonwealth v. Gonzalez, 
    465 Mass. 672
    , 685-
    686 (2013) (no evidence of sudden combat where defendant was
    unable to demonstrate overt act by victim amounting to attack or
    exchange of blows); Rodriquez, 461 Mass. at 107 (no sudden
    combat where victim walked "hastily" toward defendant, without
    any accompanying physical gestures indicating intended
    violence); Commonwealth v. Brum, 
    441 Mass. 199
    , 206 (2004) (no
    sudden combat where victim, who was armed with hammer, did not
    actually strike defendant or his brother or attempt to do so).7
    7
    Depending upon the particular facts presented, physical
    contact between a defendant and a victim does not necessarily
    support an instruction on reasonable provocation or sudden
    combat. See Commonwealth v. Curtis, 
    417 Mass. 619
    , 629 (1994);
    Commonwealth v. Walden, 
    380 Mass. 724
    , 727 (1980). "There must
    be evidence that would warrant a reasonable doubt that something
    happened which would have been likely to produce in an ordinary
    person such a state of passion, anger, fear, fright, or nervous
    excitement as would eclipse his capacity for reflection or
    restraint, and that what happened actually did produce such a
    state of mind in the defendant." Walden, 
    supra at 728
    . See
    Commonwealth v. Ruiz, 
    442 Mass. 826
    , 839 (2004) (no sudden
    combat where victim slapped and jumped on defendant because
    "conduct presented no threat of serious harm to him");
    13
    Given the absence of evidence of combat in this case, the
    judge properly denied the defendant's request for an instruction
    on sudden combat.     Najarian, the sole eyewitness to the
    altercation, observed the defendant and the victim yelling at
    each other while they stood three or four feet apart.        In the
    defendant's version of the encounter, he and the victim made eye
    contact inside the warehouse, and the victim advanced toward
    him.    They began yelling at each other, the defendant felt
    threatened, and he decided that he had had enough.     "That's when
    all hell broke loose."     The defendant told police that the
    victim had not touched him at the point when the defendant
    pulled his handgun out of his pocket.     The surveillance footage
    is consistent with these statements.
    b.   Instruction on reasonable provocation.   The defendant
    asks this court to reverse his conviction because the judge's
    instruction on reasonable provocation included a statement that
    threatening gestures are not sufficient to constitute reasonable
    provocation.    In his brief, the defendant argues that the
    victim's movement "towards his pocket," where the victim
    Commonwealth v. Brum, 
    441 Mass. 199
    , 206 n.12 (2004) ("Even if a
    victim brandishes a weapon or attacks a defendant, it does not
    necessarily create sudden combat or reasonable provocation");
    Commonwealth v. Rembiszewski, 
    363 Mass. 311
    , 321 (1973) ("[I]t
    is an extravagant suggestion that scratches [inflicted by the
    victim on the defendant's face] could serve as provocation for a
    malice-free but ferocious attack by the defendant with a deadly
    instrument").
    14
    concealed a box cutter knife, "started a chain of events which
    led to the shooting."   The defendant contends that the judge's
    erroneous instruction negated his only defense and eliminated
    any possibility that the jury would find him guilty of
    manslaughter.   Because the defendant did not object to the
    judge's instruction on reasonable provocation, we review his
    claim to determine whether there was a substantial likelihood of
    a miscarriage of justice.   Commonwealth v. Serino, 
    436 Mass. 408
    , 419 (2002).8
    The judge's instruction on reasonable provocation provided:
    "When we say heat of passion, that includes the state
    of mind of passion, anger, fear, fright and nervous
    excitement. Reasonable provocation is provocation by the
    person killed that would likely to produce such a state of
    passion, anger, fear, fright or nervous excitement in a
    reasonable person as would overwhelm his capacity for
    reflection or restraint and actually did produce such a
    state of mind in the defendant.
    "So the reasonable provocation must be such that a
    reasonable person would have become incapable of reflection
    or restraint and would not have cooled off by the time of
    the killing, and that the defendant himself was so provoked
    and did not cool off at the time of the killing. In
    addition, there must be a causal connection between the
    provocation, the heat of passion and the killing. The
    killing must occur after the provocation and before there
    is sufficient time for the emotion to cool, and must be the
    result of the state of mind induced by the provocation
    8
    The Commonwealth argues that the evidence, viewed in a
    light most favorable to the defendant, did not support an
    instruction on reasonable provocation. See Commonwealth v.
    Clemente, 
    452 Mass. 295
    , 321 (2008), cert. denied, 
    555 U.S. 1181
    (2009). Having concluded that the judge's instructions were not
    erroneous, we do not reach the issue whether the defendant was
    entitled to such an instruction.
    15
    rather than by a preexisting intent to kill or grievous
    injure, or an intent to kill formed after the capacity for
    reflection or restraint has returned.
    "So now what constitutes reasonable provocation? Mere
    words or threatening gestures, no matter how insulting or
    abusive, do not by themselves constitute reasonable
    provocation. Physical contact, even a single blow, may
    amount to reasonable provocation. Whether the contact is
    sufficient will depend on whether a reasonable person under
    similar circumstances would have been provoked to act out
    of emotion rather than reasoned reflection."
    "The heat of passion also must be sudden. That is,
    the killing must have occurred before a reasonable person
    would have regained control of his emotions."
    As the defendant points out, the term "threating gestures"
    is not included in our model jury instructions on homicide.     See
    Model Jury Instructions on Homicide 66 (2013) ("Mere words, no
    matter how insulting or abusive, do not by themselves constitute
    reasonable provocation").   Although we have urged trial judges
    to adhere to the model jury instructions, "judges are not
    required to deliver their instructions in any particular form of
    words."   Commonwealth v. Sinnott, 
    399 Mass. 863
    , 878 (1987).
    We have stated that threatening gestures, standing alone,
    may not necessarily constitute reasonable provocation.   In
    Commonwealth v. Jefferson, 
    416 Mass. 258
    , 263-264 (1993), and
    Commonwealth v. Weaver, 
    395 Mass. 307
    , 312 (1985), we upheld the
    use of an instruction on reasonable provocation, which provided
    that "mere insulting words and threatening gestures, alone, with
    nothing else do not constitute adequate provocation to reduce a
    16
    killing from murder to manslaughter."   See Commonwealth v. Dyer,
    
    460 Mass. 728
    , 747 (2011), cert. denied, 
    566 U.S. 1026
     (2012)
    (noting that instruction providing that "mere insulting words or
    threatening gestures" were insufficient to establish type of
    provocation necessary to reduce murder to manslaughter was
    accurate); Commonwealth v. Niemic, 
    427 Mass. 718
    , 723 n.3 (1998)
    (instruction that "[m]ere insulting words and threatening
    gestures alone with nothing else do not constitute adequate
    provocation to reduce a killing from murder to manslaughter" is
    correct statement of law).
    We take this opportunity to note, however, that judges
    should proceed with caution when deviating from our model jury
    instructions on homicide and instructing the jury that
    threatening gestures may not constitute provocation.
    Ordinarily, words and accompanying gestures, even if insulting
    or hostile, are not sufficient to provoke a reasonable person to
    lose self-control in the heat of passion.     See Commonwealth v.
    Vatcher, 
    438 Mass. 584
    , 588-589 (2003).     On the other hand, in
    certain circumstances, words and gestures may combine to convey
    information that would constitute adequate provocation and would
    render an unlawful killing voluntary manslaughter.     See, e.g.,
    Commonwealth v. Tu Trinh, 
    458 Mass. 776
    , 783 (2011) (court
    examines whether evidence of actions, or actions combined with
    words, were sufficient to trigger deadly response).
    17
    In Commonwealth v. Little, 
    431 Mass. 782
    , 786-787 (2000),
    for example, we examined the victim's words and actions to
    determine whether the defendant was entitled to an instruction
    on provocation.    The evidence included that the victim had
    approached the defendant, yelling, "I'll fuck you up," and had
    continued to advance toward the defendant despite having been
    warned that the defendant was armed.     
    Id. at 785
    .   The defendant
    believed that the victim, who had been known to carry a handgun
    in the past, was in possession of a gun.     
    Id. at 783-784
    .   The
    defendant testified at trial that the victim "made a motion like
    he was going for his hip" and the defendant believed the victim
    had reached toward his back in order to draw his gun.      
    Id. at 785
    .    Based on this evidence, we held that the victim's "hostile
    behavior" permitted the jury to find that the defendant "shot
    his handgun in the heat of passion, provoked by the above
    circumstances."    
    Id. at 786-787
    .   See Commonwealth v. Fortini,
    
    68 Mass. App. Ct. 701
    , 702-703, 706 (2007) (instruction on
    reasonable provocation warranted from evidence of unknown
    assailant's intrusion onto defendant's porch in middle of night,
    lunging at defendant, and reaching for defendant's shotgun).
    We conclude that, in light of the facts presented here, the
    judge's reasonable provocation instruction was not erroneous
    because none of the circumstances that would permit a
    threatening gesture to rise to the level of provocation was
    18
    present.   There was no evidence in the Commonwealth's case-in-
    chief that the victim made a threatening gesture, and the
    defendant did not introduce any evidence that he, in fact,
    believed that the victim had been reaching for a knife.     See
    Commonwealth v. Groome, 
    435 Mass. 201
    , 220 (2001) (there must be
    evidence from which jury could determine that defendant was
    provoked).   See also Camacho, 472 Mass. at 602.    Indeed, in his
    interview with police, the defendant did not mention the
    victim's gesture toward his belt, which his coworker described,
    and did not express a belief that the victim had been reaching
    for a knife or any other weapon in his pocket.     To the contrary,
    the defendant said that he had not seen anything the victim did
    with his hands, as the defendant had been in a "daze" or had
    "tunnel vision," and that, after an exchange of words, "all hell
    broke loose because [the defendant] just got sick and tired of
    it."   Not only did the defendant indicate no fear of the victim,
    he commented that, after he fired the first shot, the victim was
    urging him on to continue shooting, which enraged the defendant.
    The defendant's description of the events to police, that
    was played for the jury at trial, was as follows:
    The defendant: "You know, it's a funny thing you should
    say that because he was -- I couldn't understand. I know
    he might have been hit before once and he was still saying,
    'Come on, come on.' And I'm saying -- at that time -- now
    hindsight now I can look at that, but --"
    First interviewer:   "Yeah."
    19
    The defendant:   "See, that's what he meant -- I couldn't
    understand --"
    First interviewer:   "So the whole time he's egging you on?"
    The defendant:   "Yeah, I couldn't understand that."
    . . .
    Second interviewer: "He's out back there, right, could he
    have just gone like through the gate and get the hell out
    of there or what the hell -- why is he still there? Could
    he have left the property?"
    First interviewer: "How come he didn't go out the side
    door? Why didn't he run out there or how come he didn't go
    out the side door that you went to the van?"
    The defendant:   "Because I got in a stinking rage."
    . . .
    Second interviewer: "If he was such . . . in fear or
    anything, how come he didn't try to go out the side door
    that you said you left to go to your van? Why did he run
    out back?"
    The defendant:   "Because he would have to go through me."
    First interviewer: "What about out back because -- is
    there a gate out back that he could have just took off
    from?"
    The defendant:   "That gate was locked."
    First interviewer: "Oh, was it? Was he reaching for
    anything? Did he have a gun or anything on him that he was
    --"
    The defendant: "I had tunnel vision.    I wasn't seeing
    anything like that. I was --"
    First interviewer: "But he still said, hey, you know, come
    on, come on, still egging you on, huh?"
    20
    The defendant:   "I couldn't understand that, and that made
    me --"
    Accordingly, the defendant has not shown any error in the
    judge's instruction on reasonable provocation.9
    c.   Instruction on lesser included offenses.   The defendant
    also challenges the fact that the judge's charge did not include
    a "soft transition" instruction on lesser included offenses.    He
    argues that the lack of a "soft transition" instruction
    necessarily resulted in the deliberations proceeding under an
    "acquittal first" structure.   Thus, he argues, the jury were
    precluded from considering the lesser included offense of
    voluntary manslaughter unless and until they found the defendant
    not guilty of murder in the first degree.   Because the defendant
    did not object to this instruction at trial, we review any error
    to determine whether it created a substantial likelihood of a
    miscarriage of justice.   See Serino, 436 Mass. at 419.10
    9
    The defendant contends also that, in his closing argument,
    the prosecutor misstated the law of reasonable provocation and
    the evidence. This argument is unavailing. The prosecutor
    properly referred to the objective component of provocation, and
    argued reasonable inferences drawn from the facts.
    10
    The judge did not instruct the jury, in accordance with
    our model jury instructions on homicide, that "[i]f you find the
    defendant not guilty of murder in the first degree or murder in
    the second degree, you shall consider whether the Commonwealth
    has proved the defendant guilty beyond a reasonable doubt of the
    lesser offense of voluntary manslaughter . . . ." Model Jury
    Instructions on Homicide 36 (2013).
    21
    In an acquittal first (or "hard transition") jurisdiction,
    the jury are required first to deliberate regarding the most
    serious offense charged; they are precluded from considering a
    lesser included offense "unless and until they unanimously find
    the defendant not guilty of the greater charge."     Commonwealth
    v. Figueroa, 
    468 Mass. 204
    , 224 (2014).     By contrast, juries in
    a soft transition jurisdiction have "free rein to conduct their
    deliberations as they see fit."     
    Id.,
     quoting Commonwealth v.
    Roth, 
    437 Mass. 777
    , 794 n.14 (2002).     The jury must be
    permitted to consider a lesser included offense prior to
    reaching a unanimous decision on the defendant's guilt or
    innocence of the greater offense.    Figueroa, supra at 224-225.
    Massachusetts is, as the defendant points out, a soft transition
    jurisdiction.   Id.
    We discern no error in the judge's instructions as to
    lesser included offenses.   Contrary to the defendant's claim,
    the judge specifically instructed the jury to consider
    manslaughter based on reasonable provocation prior to reaching a
    decision on whether the defendant had committed murder in the
    first degree.   In instructing the jury on the theories of murder
    in the first degree by deliberate premeditation and by extreme
    atrocity or cruelty, the judge explained that the Commonwealth
    was required to prove beyond a reasonable doubt the absence of
    mitigating circumstances.   He instructed,
    22
    "The law recognizes that in certain circumstances,
    which we refer to as mitigating circumstances, the crime is
    a lesser offense than it would have been in the absence of
    mitigating circumstances. Now a killing that would
    otherwise be murder in the first [or] second degree is
    reduced to the lesser offense of voluntary manslaughter if
    the defendant killed someone under mitigating
    circumstances."
    The judge went on to inform the jury that "[i]n this case the
    mitigating circumstance that you must consider is what is
    referred to in the law as heat of passion on a reasonable
    provocation."
    In addition, the judge began his instructions on voluntary
    manslaughter by telling the jurors that, "[l]ike murder in the
    second degree, voluntary manslaughter is a lesser-included
    offense with the charge of murder in the first degree."     He then
    recapped his prior instructions, explaining, "So to prove the
    defendant guilty of murder in the first or second degree, the
    Commonwealth is required to prove beyond a reasonable doubt that
    there are no mitigating circumstances that reduce the
    defendant's culpability.   A mitigating circumstance is a
    circumstance that reduces the seriousness of the offense in the
    eyes of the law."
    Viewed in their entirety, the instructions correctly
    informed the jury of their obligation to consider evidence of
    reasonable provocation before convicting the defendant of murder
    in the first degree.
    23
    d.   Dismissal of empanelled juror.   The defendant
    challenges the judge's decision to dismiss an empanelled juror
    toward the end of the trial, because of a three-page note that
    she had sent the judge after the defendant's expert testified.
    During empanelment, a juror reported that she had been the
    victim of a sexual assault.   After receiving input from both
    counsel, the judge asked the juror a follow-up question:
    Q.: "Was there anything about any treatment that you may
    have received, or support that you may have received, or
    anything of that nature that would affect in any way your
    ability to listen to any psychiatrist, psychological
    testimony in this case, with an open mind?"
    A.: "I don't think so. I mean, it wasn't an actual rape.
    It was like an assault. So it wasn't -- I mean, it was not
    a great experience. But . . . ."
    The judge found the juror indifferent, and she was seated after
    neither party exercised a peremptory challenge.
    On the day before closing arguments, the judge informed the
    attorneys that he had just been handed a three-page note from
    the juror.   In the note, the juror referenced the prior assault,
    and stated, "[I]t made sense to me what [Ewing] was saying about
    a dissociative state, because to a smaller extent I guess I have
    experienced that."   The juror indicated that she could relate to
    the expert's description of the defendant being on edge and
    "walking on egg shells."   The juror assured the judge that she
    could "put all of that aside and just look at the evidence that
    was presented, but I wanted to be forthright that this
    24
    experience did make me think about my own experience and to
    inquire if that disqualifies me from participating in
    deliberations."    After a hearing, the judge dismissed the juror
    over the defendant's objection.    The judge instructed the
    remaining jurors that he had dismissed the juror for a reason
    "entirely personal to that juror and [that] had nothing to do
    whatsoever with the merits of this matter."
    A trial judge is vested with the discretion to discharge a
    juror prior to deliberations "in the best interests of justice."
    G. L. c. 234A, § 39.   See Commonwealth v. Stokes, 
    440 Mass. 741
    ,
    751 (2004); Commonwealth v. Rock, 
    429 Mass. 609
    , 613-614 (1999).
    Here, the judge reasoned that the juror, after hearing testimony
    from the defendant's expert witness, might have self-diagnosed
    herself or had realized that she might have suffered from
    dissociative and posttraumatic stress disorders as a result of
    her own assault.
    Given the juror's disclosure that she had been influenced
    by the defendant's expert's testimony, and had realized that she
    might have experienced the same psychiatric symptoms as the
    expert testified that the defendant had suffered, we conclude
    that the judge acted well within his statutory authority to
    excuse the nondeliberating juror in the interests of justice.
    e.   Prior bad act evidence.    The defendant argues that the
    judge abused his discretion in allowing the prosecutor to
    25
    introduce evidence that, at some time in the past, the defendant
    had brought a gun to work.   A coworker, Shane Nixon, testified
    on direct examination that, at some point before the victim's
    employment, he observed the defendant "with something that
    appeared to be a gun in the area of" the company's premises.      On
    cross-examination, Nixon clarified that what he had seen had
    been the handle of what appeared to be a handgun wrapped in a
    dirty white rag in the defendant's vehicle.   Nixon acknowledged
    that he had never seen the defendant carrying a gun on his
    person.
    The judge allowed the Commonwealth to introduce this
    evidence in order to impeach the defendant's statement that he
    had started bringing a gun to work because he was afraid of the
    victim.   The judge immediately instructed the jury that the
    evidence was admissible "to the extent that you find it relevant
    solely on the issue of whether the defendant acted intentionally
    and not because of some mistake or accident or innocent reason,
    or as to whether it shows a common plan or scheme or pattern of
    conduct, or with respect to the defendant's state of mind,
    motive, intent, opportunity, preparation, plan or knowledge,
    with respect to the identity of the defendant as the perpetrator
    of the crime charged."   In his final charge, the judge repeated
    this instruction.
    26
    Evidence of a defendant's prior or subsequent bad acts is
    not admissible to show "bad character or criminal propensity"
    (citation omitted).   Commonwealth v. Lally, 
    473 Mass. 693
    , 712
    (2016).   It generally is admissible for another purpose such as
    to establish a defendant's "common scheme, pattern of operation,
    absence of accident or mistake, identity, intent, or motive."
    Commonwealth v. Helfant, 
    398 Mass. 214
    , 224 (1986).     Evidence of
    prior bad acts also may be introduced to rebut "the defendant's
    contentions made in the course of trial" (quotations omitted).
    Commonwealth v. Anestal, 
    463 Mass. 655
    , 665 (2012), quoting
    Commonwealth v. Magraw, 
    426 Mass. 589
    , 595 (1998).    See Mass.
    G. Evid. § 404(b)(2) (2017).   The Commonwealth is required to
    demonstrate that the probative value of the evidence is not
    outweighed by the risk of unfair prejudice to the defendant.
    Commonwealth v. Crayton, 
    470 Mass. 228
    , 249 (2014).    We review
    questions of admissibility, probative value, and unfair
    prejudice under an abuse of discretion standard.     Id. at 252.
    In his statement to police, the defendant said that he had
    begun bringing a small handgun to work approximately six months
    before the incident, because of his fear of the victim following
    the incident with the forklift:   "Since he [the victim] jacked
    me up that time, and I was running scared."   Evidence that Nixon
    had seen the handle of a gun in the defendant's vehicle prior to
    the victim's employment was admissible to rebut this claim.
    27
    Although the judge did not abuse his discretion in allowing
    Nixon to testify about his observations of the defendant's
    vehicle at some point before the victim began working at the
    company, we agree with the defendant's argument that the
    limiting instructions focused improperly on the defendant's
    state of mind.   The judge should have instructed the jury in
    accordance with the reason that he had allowed the evidence to
    be admitted:   that it was relevant to rebut the defendant's
    statement that he started bringing a gun to work because he was
    afraid of the victim.
    Nonetheless, the error in the limiting instruction was
    harmless.   See Commonwealth v. Flebotte, 
    417 Mass. 348
    , 353
    (1994) (error harmless if reviewing court is "sure that the
    error did not influence the jury, or had but a slight effect").
    The focus of the trial was on the defendant's state of mind at
    the time of the shooting.     The testimony about a rag-wrapped
    object that might have been in the defendant's vehicle, at some
    point before the victim began working at the company, received
    minimal attention at trial.    Commonwealth v. McGee, 
    467 Mass. 141
    , 158 (2014).   Nixon's testimony concerning the issue was
    brief, and the prosecutor did not mention it in his closing
    argument.   See Commonwealth v. Rutherford, 
    476 Mass. 639
    , 649
    (2017).
    28
    f.   Review under G. L. c. 278, § 33E.   We have carefully
    reviewed the entire record, pursuant to our duty under G. L.
    c. 278, § 33E, and find no reason to set aside the verdict or
    reduce the degree of guilt.
    Judgment affirmed.