Commonwealth v. Earl ( 2023 )


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    21-P-916                                                Appeals Court
    COMMONWEALTH    vs.   WILLIAM EARL.
    No. 21-P-916.
    Suffolk.       December 9, 2022. – June 7, 2023.
    Present:    Rubin, Massing, & D'Angelo, JJ.
    Homicide. Assault and Battery by Means of a Dangerous Weapon.
    Practice, Criminal, Motion to suppress, Admissions and
    confessions, Voluntariness of confession, Harmless error.
    Constitutional Law, Admissions and confessions, Harmless
    error, Identification. Evidence, Admissions and
    confessions, Identification, Authentication, Medical
    record. Error, Harmless. Identification.
    Indictments found and returned in the Superior Court
    Department on February 12, 2014.
    Pretrial motions to suppress evidence were heard by Robert
    N. Tochka, J., and the cases were tried before Linda E. Giles,
    J.
    Joanne T. Petito for the defendant.
    Paul B. Linn, Assistant District Attorney, for the
    Commonwealth.
    MASSING, J.       A Superior Court jury convicted the defendant,
    William Earl, of murder in the second degree of Samuel Constant
    2
    and of assault by means of a dangerous weapon, a knife, upon
    Faniesha Hunter.    The jury heard evidence that minutes after the
    murder, the defendant confessed that he had just killed someone
    for "running his mouth."   The defendant argues that his
    confession was the product of custodial interrogation because a
    special police officer chased, tackled, handcuffed, and pat
    frisked the defendant before questioning him, and that the
    confession should have been suppressed because he was not given
    Miranda warnings.   We agree.   Because evidence of the
    defendant's confession was not harmless beyond a reasonable
    doubt, we reverse the judgments.    We also address the
    defendant's claims with respect to issues that are likely to
    recur in any new trial.
    Background.     The evidence at trial showed that one evening
    in January 2014, Hunter returned from work to her apartment in
    the Georgetowne Homes complex, located in the Hyde Park section
    of Boston.   She found Constant, whom she was dating at the time,
    in her apartment with the defendant.    Hunter did not know the
    defendant, and his behavior made her uneasy, so she gestured to
    Constant to follow her into one of the bedrooms.    The defendant
    followed them into the room, where he pulled a knife from the
    waistband of his boxer shorts and lunged at Hunter.       Constant
    intervened and began to struggle with the defendant, wrestling
    him back into the living room.    While the defendant and Constant
    3
    fought, Hunter went to the kitchen to look for something to use
    as a weapon.   She grabbed the first thing she could find, a
    kitchen utensil, and used it to hit the defendant.    The
    defendant swung his knife at her but missed, then stumbled out
    the open front door of the apartment, still struggling with
    Constant.   A Georgetowne Homes maintenance supervisor noticed
    two men running; one of them, Constant, fell to the pavement,
    face down, and the other ran off.    Constant was breathing with
    difficulty and bleeding from his mouth and nose.     The
    maintenance supervisor called 911 and attempted to perform
    cardiopulmonary resuscitation.   Hunter went outside and found
    Constant lying in the parking lot.
    Shortly thereafter, the defendant was apprehended nearby by
    Vincent Tranfaglia and Jean Thermitus, two uniformed security
    guards certified as special Boston police officers and employed
    by Longwood Public Safety, a private security company contracted
    to patrol Georgetowne Homes and the surrounding area.      Thermitus
    saw the defendant running down the middle of Crown Point Drive
    in heavy traffic, knocking on the windshields of passing
    vehicles and attempting to stop them.   As yet unaware of the
    stabbing, Thermitus activated the lights of his marked vehicle,
    parked in the middle of the street, and approached the
    defendant, who was bleeding heavily from his ear.    Upon seeing
    Thermitus, the defendant fled.   Thermitus ran after him, tackled
    4
    him from behind, placed him in handcuffs, and pat frisked him.
    Thermitus then asked the defendant, "[W]hat was going on, why he
    took off."   The defendant responded, "I just killed somebody,"
    and added, "If you walk straight ahead you will find something."
    When Thermitus asked him "why," the defendant answered,
    "[B]ecause he was running his mouth."
    Tranfaglia, who had arrived on the scene and helped
    Thermitus secure the defendant, requested help from the Boston
    police and medical assistance for the defendant.     About this
    time, the maintenance supervisor approached, yelling and
    gesturing for Tranfaglia's attention.    Tranfaglia followed the
    maintenance supervisor to an area where Constant was lying on
    the ground, cradled in Hunter's arms.    Constant had been stabbed
    in the face, head, shoulder, and chest, and had no pulse.     By
    the time emergency medical personnel arrived, Constant was dead.
    The defendant was transported to the emergency room at
    Brigham and Women's Hospital (hospital), where he was treated
    for lacerations to his head and neck.    Members of the Boston
    police homicide unit, who had arrived at the crime scene,
    arranged for Hunter to be taken to the hospital for an
    identification procedure.   As soon as Hunter entered the
    emergency unit, she identified the defendant from across the
    room.   The defendant was arrested and taken from the hospital to
    the police station for questioning.     In a videotaped (recorded)
    5
    interview, he claimed not to understand why he was under arrest
    and that he had been the victim of an attack.1
    The day after the murder the police recovered a "KA-BAR"
    brand folding knife near the murder scene.   A metal fragment
    from the knife was found in one of Constant's fatal stab wounds,
    and deoxyribonucleic acid (DNA) analyses of blood found on the
    knife's blade and knife's handle were consistent with the DNA
    profiles of Constant and the defendant, respectively.    The
    statistical probability of random matches was infinitesimally
    small.
    A letter the defendant wrote to Constant's mother from jail
    two years after the murder was admitted in evidence.     In the
    letter, the defendant "apologize[d] about what happened to your
    son," claimed that "it was not [his] intention to murder your
    son," but that he was being attacked and the only way he could
    escape the apartment was "by assaulting your son and stabbing
    him twice in his chest area."   He added that he used "a kabar
    pocket knife."
    The defendant was indicted on charges of murder in the
    first degree and assault by means of a dangerous weapon.       The
    murder charge was submitted to the jury on theories of
    1 We set forth the circumstances of the defendant's roadside
    confession, the hospital identification, and the recorded
    interview in greater detail below in connection with the
    discussion of the defendant's motions to suppress.
    6
    deliberate premeditation and extreme atrocity and cruelty.       The
    defendant's primary defense was that he acted in self-defense.
    The jury found the defendant guilty of murder in the second
    degree and assault by means of a dangerous weapon.
    Discussion.     A.   Motions to suppress.   Prior to trial, the
    defendant filed a motion to suppress statements -- his initial
    roadside confession and his subsequent recorded interview at the
    police station -- and a motion to suppress Hunter's hospital
    identification.    After a two-day evidentiary hearing, the motion
    judge denied the motion to suppress the identification from the
    bench; he later issued written findings denying the motion to
    suppress statements.     On appeal, the defendant argues that both
    motions were wrongly decided.
    When reviewing a ruling on a motion to suppress, we are
    bound by the judge's subsidiary findings of fact, unless they
    are clearly erroneous; "[h]owever, where the ultimate findings
    and rulings bear on issues of constitutional dimension, they are
    open for review.   Our appellate function requires that we make
    our own independent determination on the correctness of the
    judge's application of the constitutional principles to the
    facts as found" (quotations and citations omitted).
    Commonwealth v. Groome, 
    435 Mass. 201
    , 211 (2001).      Accord
    Commonwealth v. Tremblay, 
    480 Mass. 645
    , 651-652 (2018)
    (voluntariness of defendant's Miranda waiver and statements
    7
    during custodial interrogation); Commonwealth v. Johnson, 
    473 Mass. 594
    , 602 (2016) (identifications arising from police
    procedures); Commonwealth v. Carnes, 
    457 Mass. 812
    , 818-819
    (2010) (whether defendant was subject to custodial
    interrogation).   But see Johnson, 
    supra
     (motion judge's
    assessment of suggestiveness of identifications without police
    wrongdoing under common-law principles of fairness reviewed for
    abuse of discretion).    We "review de novo any findings based
    entirely on a video recording."     Commonwealth v. Yusuf, 
    488 Mass. 379
    , 385 (2021).
    We address the suppression motions in chronological order
    by subject matter:   the roadside confession, the hospital
    identification, and the recorded interview.
    1.   The roadside confession.    a.   Motion judge's findings.
    The defendant argues that his incriminating statements to
    special police Officer Thermitus should have been suppressed
    because Thermitus failed to give him Miranda warnings.     We set
    forth the facts found by the motion judge, supplemented with
    uncontroverted testimony from the suppression hearing that does
    "not detract from the judge's ultimate findings."     Commonwealth
    v. Garner, 
    490 Mass. 90
    , 93-96 (2022), quoting Commonwealth v.
    Jones-Pannell, 
    472 Mass. 429
    , 431 (2015).
    As noted above, Thermitus and Tranfaglia were security
    guards employed by a private security company and certified as
    8
    special Boston police officers.    They are State actors for
    Miranda purposes.    See Commonwealth v. Leone, 
    386 Mass. 329
    ,
    334-335 (1982).     Thermitus was patrolling the Georgetowne Homes
    area in a marked "Longwood" cruiser around 5:45 P.M. on an
    "extremely cold" January night when he saw the defendant in the
    middle of Crown Point Drive, in heavy traffic, knocking on the
    windshields of passing vehicles.     Thermitus activated his
    cruiser's lights, radioed for assistance, stopped in the middle
    of the street, and then approached the defendant on foot.      The
    defendant was bleeding from his ear.    Seeing Thermitus, the
    defendant took off his sweatshirt and threw it to the ground,
    leaving himself shirtless, took two "aggressive" steps toward
    Thermitus, and then turned and ran into a wooded area.
    Thermitus ran after him.
    Special police Sergeant Tranfaglia arrived at the scene in
    response to Thermitus's radio call.    Tranfaglia saw Thermitus
    yelling at the defendant to stop.2    Thermitus tackled the
    defendant to the ground and immediately placed him in handcuffs.
    2 Tranfaglia testified that to assist Thermitus, he took out
    his pepper spray and yelled multiple times to the defendant,
    "I'm going to spray." The judge's findings do not mention this
    testimony, which suggested a more coercive atmosphere than the
    judge found. Rather than address whether this factual omission,
    which detracts from the judge's ultimate finding, see Garner,
    490 Mass. at 95-96, is clearly erroneous, we do not consider
    this aspect of Tranfaglia's testimony in our analysis.
    9
    Then, with Tranfaglia's help, Thermitus sat the defendant
    against a tree beside the road and pat frisked him; the
    defendant was unarmed.
    According to Tranfaglia, "the defendant stated that he had
    been shot down the street," although neither officer saw any
    evidence of gunshot wounds.     Tranfaglia stepped away to request
    assistance from the Boston police and emergency medical
    services.     Thermitus remained with the defendant and asked him
    "why he ran," to which the defendant replied, "I just killed
    somebody, and if you walk straight ahead you will find
    something."    Thermitus asked the defendant, "[W]hy?"   The
    defendant responded that "this person was running his mouth, so
    I did what I had to do."3    Thermitus remained with the defendant,
    who was still handcuffed, until an ambulance arrived and the
    Boston police took over.
    3 Thermitus testified that the defendant confessed to the
    killing before saying that he had been shot, although Thermitus
    wrote in his police report that the defendant said he had been
    shot first. Tranfaglia testified that after he helped Thermitus
    handcuff the defendant, the officers were trying to figure out
    "what was going on" when the defendant stated that he had been
    shot. At that point Tranfaglia went to call for Boston police
    backup and emergency medical assistance. The judge found that
    Tranfaglia left Thermitus with the defendant while he went to
    radio for help and returned about two minutes later. The
    judge's findings imply that the defendant confessed during the
    two-minute interval he was left alone with Thermitus.
    10
    The motion judge found that the defendant was not in
    custody when he made the incriminating statements and that
    Thermitus's questioning did not amount to interrogation.
    b.   Custody.   "It is well settled that Miranda warnings are
    necessary only when a defendant is subject to custodial
    interrogation, Commonwealth v. Jung, 
    420 Mass. 675
    , 688 (1995),
    and that it is the defendant's burden to prove custody,
    Commonwealth v. Larkin, 
    429 Mass. 426
    , 432 (1999)."
    Commonwealth v. Vellucci, 
    98 Mass. App. Ct. 274
    , 277 (2020).
    "An interview is custodial where 'a reasonable person in
    the suspect's shoes would experience the environment in which
    the interrogation took place as coercive.'"    Commonwealth v.
    Cawthron, 
    479 Mass. 612
    , 617 (2018), quoting Larkin, 
    429 Mass. at 432
    .   "The crucial question is whether, considering all the
    circumstances, a reasonable person in the defendant's position
    would have believed that he was in custody.   Thus, if the
    defendant reasonably believed that he was not free to leave, the
    interrogation occurred while the defendant was in custody, and
    Miranda warnings were required" (citations omitted).
    Commonwealth v. Damiano, 
    422 Mass. 10
    , 13 (1996).4
    4 In the context of whether a police officer had "seized"
    the defendant, for which reasonable suspicion of criminal
    conduct is required, the Supreme Judicial Court observed that
    "because civilians rarely feel 'free to leave' a police
    encounter," Commonwealth v. Matta, 
    483 Mass. 357
    , 360 (2019),
    "the more pertinent question is whether an officer has, through
    11
    In a myriad of cases assessing custody, "the court
    considers several factors:   (1) the place of the interrogation;
    (2) whether the officers have conveyed to the person being
    questioned any belief or opinion that that person is a suspect;
    (3) the nature of the interrogation, including whether the
    interview was aggressive or, instead, informal and influenced in
    its contours by the person being interviewed; and (4) whether,
    at the time the incriminating statement was made, the person was
    free to end the interview by leaving the locus of the
    interrogation or by asking the interrogator to leave, as
    evidenced by whether the interview terminated with an arrest."
    Groome, 
    435 Mass. at 211-212
    .   The so-called "Groome factors,"
    see Carnes, 
    457 Mass. at 819
    , are not exclusive; the court must
    consider the totality of the circumstances.   See Commonwealth v.
    Medina, 
    485 Mass. 296
    , 301 (2020).   The Groome factors merely
    provide a framework for assessing the ultimate question:
    "whether the defendant was subjected to 'a formal arrest or
    words or conduct, objectively communicated that the officer
    would use his or her police power to coerce that person to
    stay," id. at 362. "The custody and seizure inquiries, however,
    are not identical." Commonwealth v. Evelyn, 
    485 Mass. 691
    , 698
    (2020). While the Matta decision did not alter the custody
    analysis, see Evelyn, supra at 698-699; Commonwealth v. Lugo,
    
    102 Mass. App. Ct. 170
    , 179 n.10 (2023), both tests focus on
    "the objective circumstances of the encounter" and "attempt to
    ascertain whether, considering the totality of the
    circumstances, an individual has been compelled to interact with
    the police." Evelyn, supra. In this case, the defendant has
    never claimed that the initial seizure was unjustified.
    12
    restraint of freedom of movement of the degree associated with a
    formal arrest.'"   Medina, supra, quoting Thompson v. Keohane,
    
    516 U.S. 99
    , 112 (1995).
    In concluding that the defendant was not in custody, the
    motion judge focused on the first three Groome factors.     The
    judge found, first, that "[t]he questioning took place on a
    neutral site near a public road" and not in a "police-dominated
    atmosphere."   Second, the special police officers did not convey
    to the defendant that he was suspected of Constant's murder;
    indeed, the officers had not yet learned of the stabbing.
    Third, "the questioning was informal and investigatory, and not
    aggressive, accusatory, or coercive."   In light of these
    factors, the judge did not consider the fact that the defendant
    was handcuffed to be a sufficient restraint on his freedom to
    turn the encounter into the equivalent of a formal arrest.     Our
    independent review of the facts as found by the motion judge
    leads to the opposite conclusion.
    We begin, rather than end, by recognizing that restraints
    on the defendant's freedom of movement defined his encounter
    with the special police officers:   in response to the
    defendant's erratic conduct in the middle of a busy street, the
    officers chased him down, tackled him, handcuffed him, and pat
    frisked him before seating him by the side of the road for
    questioning.   Such conduct would typically be perceived as
    13
    coercive.   Cf. Commonwealth v. Portee, 
    82 Mass. App. Ct. 829
    ,
    833 (2012) (after troopers "sought to subdue [defendant] and
    prevent him from fleeing, a reasonable person in the defendant's
    circumstances would have understood that the troopers were in
    the process of effecting an arrest" for purposes of proving
    crime of resisting arrest).
    The Groome factors, which derived in part from Commonwealth
    v. Bryant, 
    390 Mass. 729
     (1984), were developed because often
    "the problem whether interrogation has taken place in custodial
    circumstances is a vexing one, susceptible to resolution . . .
    only by close scrutiny of the particular questioning session."
    Bryant, 
    supra at 736
    .   A nuanced analysis of the Groome factors
    is unnecessary, however, for "obvious cases in which a suspect
    has been formally arrested or otherwise deprived of his physical
    freedom by police agents."    Bryant, 
    supra.
       To illustrate the
    point, if a defendant is under arrest, the second and third
    Groome factors, which go to the nature of the communications
    between the officers and the defendant, are irrelevant:     even if
    the arresting officer's questions are conversational and not
    accusatory, the defendant is no less in custody.     Simply put, in
    this case it is obvious that a reasonable person in the
    defendant's position would not have believed that he was free to
    leave.
    14
    Notwithstanding the Groome factors' questionable utility
    here, we address them in the interest of completeness.
    i.   Place of the interrogation.    The fact that questioning
    takes place on the street or in a public area often weighs
    against a finding of custody.   See, e.g., Commonwealth v.
    Tejada, 
    484 Mass. 1
    , 9, cert. denied, 
    141 S. Ct. 441 (2020)
    (fact that "interrogation was in a public parking lot, not in a
    police station or other secluded area" weighed against
    determination that defendant was in custody); Vanhouton v.
    Commonwealth, 
    424 Mass. 327
    , 331 n.7, cert. denied, 
    522 U.S. 834
    (1997), quoting Pennsylvania v. Bruder, 
    488 U.S. 9
    , 10 (1988)
    ("traffic stops commonly occur in the 'public view,' in an
    atmosphere far 'less "police dominated" than that surrounding
    the kinds of interrogation at issue in [Miranda v. Arizona, 
    384 U.S. 436
     (1966)] itself'"); Commonwealth v. Smith, 
    35 Mass. App. Ct. 655
    , 657-658 (1993) (defendant not in custody where police
    stopped his car to investigate motor vehicle accident and asked
    preliminary "street-side" questions).
    But the defendant was not questioned in connection with a
    traffic stop, which generally does not rise to the level of
    custodial interrogation.   See Vellucci, 98 Mass. App. Ct. at 277
    ("As a general rule, persons temporarily detained during an
    ordinary traffic stop are not in custody for purposes of
    Miranda, even though they may not feel free to leave").      Nor
    15
    could the questioning of the defendant be characterized as a
    routine "field investigation" as in Smith, 35 Mass. App. Ct. at
    658, and the defendant did not initiate the encounter as in
    Tejada, 484 Mass. at 8.      Here, prior to questioning, two
    uniformed officers positioned the defendant against a tree next
    to the side of the road on a cold winter night, after one of
    them had chased him, tackled him, placed him in handcuffs, and
    pat frisked him.      "To determine if the location of an
    interrogation contributed to a coercive environment, we consider
    the circumstances 'from the point of view of the defendant.'"
    Cawthron, 
    479 Mass. at 618
    , quoting Commonwealth v. Conkey, 
    430 Mass. 139
    , 144 (1999), S.C., 
    443 Mass. 60
     (2004).      From the
    defendant's point of view, the officers' actions objectively
    created a coercive and police-dominated environment, even if it
    was not in a police station.
    ii.   Conveying that defendant was a suspect.   Questioning
    that conveys the message that the defendant is suspected of a
    crime lends to a coercive environment and typically supports the
    conclusion that the defendant is in custody.      See Cawthron, 
    479 Mass. at 619
    ; Commonwealth v. Jones, 
    42 Mass. App. Ct. 378
    , 382
    (l997).      Brief, preliminary questions asked in an effort to
    confirm or dispel suspicion of criminal activity typically do
    not.    See Commonwealth v. Kirwan, 
    448 Mass. 304
    , 311 (2007).    An
    open-ended preliminary question such as "What happened?" does
    16
    not convey suspicion of wrongdoing.    See Commonwealth v.
    Callahan, 
    401 Mass. 627
    , 630 (1988).
    Here, the judge erroneously focused on the officers'
    subjective point of view, emphasizing that they did not yet know
    about the murder and that "Thermitus placed handcuffs on the
    defendant in order to find out what was going on.    The defendant
    was not under arrest."    "[C]ustody must be determined based on
    how a reasonable person in the suspect's situation would
    perceive his circumstances, not on the subjective views harbored
    by either the interrogating officers or the person being
    questioned" (citations omitted).    Medina, 485 Mass. at 303.5
    After being forcefully detained, the first statement that the
    defendant made was that he had been shot.    The officers did not
    respond by asking neutral questions such as "what happened" or
    where he had been shot.    Instead, Thermitus asked "why he ran."6
    From Thermitus's perspective, the question may have been
    5 The judge, who decided the motion to suppress in April
    2016, did not have the benefit of the Medina decision.
    6 Tranfaglia in fact did testify that he asked the defendant
    neutral, preliminary questions before the tenor of the
    questioning became more pointed. According to Tranfaglia, after
    the defendant said he had been shot, Tranfaglia asked,
    "[W]here?," and the defendant said, "[W]ay down the street."
    Tranfaglia responded, "You were shot down there? What are you
    doing all the way up here?" The defendant then said, "Fuck you,
    . . . fuck this, get me EMS," prompting Tranfaglia to go back to
    his cruiser and radio for help. However, the motion judge
    omitted this part of Tranfaglia's testimony from his findings,
    and we do not consider it in our analysis. See note 2, supra.
    17
    neutral, but from the defendant's perspective, it may have
    implied that if he had done nothing wrong, he would have had no
    reason to run.   A reasonable person in the defendant's position,
    having been pursued and tackled by a police officer, then asked
    why he had attempted to flee, would likely perceive that the
    officer suspected him of criminal activity.   That Thermitus did
    not believe the defendant to be under arrest, or that he
    detained the defendant just so he could "find out what was going
    on," is immaterial if his words and actions conveyed something
    else.   See Groome, 
    435 Mass. at
    212 n.13 ("an officer's
    subjective suspicions are relevant to the custody inquiry only
    if those suspicions have been communicated to the defendant").
    Cf. Damiano, 
    422 Mass. at 13
     ("The question whether the
    defendant was in protective custody is not controlling.    The
    crucial question is whether, considering all the circumstances,
    a reasonable person in the defendant's position would have
    believed that he was in custody").
    iii.   Nature of the interrogation.   The nature of the
    questioning was also consistent with a custodial atmosphere.     As
    we have already noted, even after the defendant said he had been
    shot, Thermitus questioned him about "why he ran."    The follow-
    up question -– "why" the defendant had "just killed somebody" -–
    was even more clearly intended to gather inculpatory evidence.
    Even if Thermitus's questioning was "not aggressive, accusatory,
    18
    or coercive," as the motion judge found, it was hardly a
    "friendly chat" with the defendant's "voluntary acquiescence."
    Bryant, 
    390 Mass. at 737
    .
    iv.     Defendant's freedom to end the encounter.    From
    beginning to end, the special police officers' interaction with
    the defendant communicated to a reasonable person in the
    defendant's position that he was not at liberty to end the
    interview and leave.    After using force to prevent the defendant
    from running away, the special police officers did not leave his
    side, nor remove the handcuffs, until Boston police detectives
    took over and the defendant was transported by ambulance to a
    hospital.   The defendant was later formally arrested.     The
    fourth Groome factor, whether the defendant "was free to end the
    interview by leaving the locus of the interrogation or by asking
    the interrogator to leave, as evidenced by whether the interview
    terminated with an arrest," Groome, 
    435 Mass. at 212
    , supports a
    finding of custody.
    v.    Totality of the circumstances.   Viewed in their
    totality, the facts as found by the motion judge depicted a
    coercive environment.    Moreover, the judge erroneously
    discounted the officers' use of handcuffs to restrain the
    defendant throughout the encounter.    Placing a suspect in
    handcuffs is usually considered a physical restraint on freedom
    tantamount to arrest.    See, e.g., Commonwealth v. Pinney, 97
    
    19 Mass. App. Ct. 392
    , 396-397 (2020); Commonwealth v. Gordon, 
    47 Mass. App. Ct. 825
    , 827 (1999).   Conversely, the absence of
    handcuffs is usually cited to negate a finding of custody.     See,
    e.g., Cawthron, 
    479 Mass. at 618
     (defendant not in custody where
    questioning occurred "in a public parking lot, during the
    daytime, and the defendants were neither handcuffed nor
    otherwise physically restrained"); Commonwealth v. Lopes, 
    455 Mass. 147
    , 163 (2009) ("defendant was not in custody after his
    handcuffs were removed and he was told he was not under
    arrest"); Commonwealth v. Burbine, 
    74 Mass. App. Ct. 148
    , 152
    (2009) (interrogation of defendant not custodial where officers
    "did not place him under arrest, handcuff him, or physically
    restrain him by placing him in a cruiser or escorting him into
    the station").
    Although "[i]t is not dispositive that the defendant was
    handcuffed," Commonwealth v. Williams, 
    422 Mass. 111
    , 118
    (1996), cases holding that a handcuffed suspect was not in
    custody usually arise where the defendant had been detained to
    allow officers to complete a threshold inquiry justified by
    reasonable suspicion of criminal activity.   Where handcuffing
    the suspect is considered a reasonable step to ensure officer
    safety or to prevent flight, it does not transform an
    investigative stop into an arrest.   See, e.g., 
    id. at 117-119
    ;
    Vellucci, 98 Mass. App. Ct. at 277, 279; Commonwealth v. Dyette,
    20
    
    87 Mass. App. Ct. 548
    , 556-557 (2015); Commonwealth v. Andrews,
    
    34 Mass. App. Ct. 324
    , 329-330 (1993).   The motion judge found
    that the officers were confronted with "a volatile situation
    that occurred quickly and unexpectedly"; however the evidence
    did not suggest,7 nor did the judge find, that the officers were
    in any danger or that the defendant presented a threat to public
    safety that might excuse the failure to give Miranda warnings.
    See Pinney, 97 Mass. App. Ct. at 397, quoting New York v.
    Quarles, 
    467 U.S. 649
    , 657 (1984) ("The United States Supreme
    Court has stated that, in some circumstances, 'the need for
    answers to questions in a situation posing a threat to the
    public safety outweighs the need for the prophylactic rule
    protecting the Fifth Amendment's privilege against self-
    incrimination'").
    While our independent analysis of the Groome factors
    supports our view that the defendant's detention by the special
    police officers was custodial, as discussed supra, it is largely
    beside the point:   it is obvious that a reasonable person in the
    defendant's position would have experienced the interaction as
    coercive, would not have believed that he was free to leave, and
    would have perceived the restraint on his freedom of movement as
    7 Thermitus testified, repeatedly, that he had no concern
    for his own safety, and any hint of danger was quickly dispelled
    when he pat frisked the defendant.
    21
    the equivalent of that associated with a formal arrest.    Because
    we conclude that the defendant was in custody, we turn to the
    question whether he was subjected to interrogation.
    c.   Interrogation.   "Miranda warnings are required when a
    person is subjected to 'custodial interrogation,' i.e.,
    'questioning initiated by law enforcement officers after a
    person has been taken into custody or otherwise deprived of his
    freedom of action in any significant way.'"   Commonwealth v.
    Doyle, 
    12 Mass. App. Ct. 786
    , 792 (1981), quoting Miranda, 
    384 U.S. at 444
    .   The defendant was subject to "express questioning"
    beyond that "normally attendant to arrest and custody."    Rhode
    Island v. Innis, 
    446 U.S. 291
    , 300-301 (1980).    See Commonwealth
    v. Kacavich, 
    28 Mass. App. Ct. 941
    , 941 (1990).   After taking
    the defendant into custody, Thermitus asked him "why he ran,"
    and when the defendant responded that he had just killed
    somebody, Thermitus asked, "Why?"
    The motion judge, however, did not consider Thermitus's
    questioning to amount to "interrogation" because the judge
    viewed the questions as "preliminary in nature and directed to
    discovering who the defendant was and what had happened to him."
    In so concluding, the judge erroneously relied on Commonwealth
    v. Gonsalves, 
    445 Mass. 1
    , 9 (2005), cert. denied, 
    548 U.S. 926
    (2006) ("Questioning by law enforcement agents to secure a
    volatile scene or establish the need for or provide medical care
    22
    is not colloquially understood as interrogation . . . .     Rather,
    such questioning is considered part of the government's
    peacekeeping or community caretaking function" [emphasis
    added]).     This language was taken from the court's discussion of
    whether statements made to law enforcement agents are to be
    considered "testimonial" under Crawford v. Washington, 
    541 U.S. 36
     (2004).     The court made it clear that it was not relying on
    "definitions of interrogation found throughout the Miranda v.
    Arizona, 
    384 U.S. 44
     (1966), case law, but rather on everyday,
    common understandings of the term."     Gonsalves, 
    supra at 7
    .8
    The Commonwealth's reliance on Kirwan, 
    448 Mass. at 311
    (officer's "questioning was generally of a fact-finding nature,
    intended to verify or dispel a reasonable suspicion of criminal
    activity, for which Miranda warnings are not required"), is also
    misplaced.     This language was taken from the Kirwan court's
    analysis of the Groome factors and concerned whether the
    defendant was in custody, not whether he was subjected to
    interrogation.     See Kirwan, 
    448 Mass. at 313
    .9
    8 Although at the hearing on the motion to suppress the
    Commonwealth relied on the quoted language from Gonsalves to
    argue that questions asked in the course of community caretaking
    are not interrogation, on appeal the Commonwealth makes no
    argument concerning community caretaking. Accordingly, we need
    not decide whether community caretaking was involved here or, if
    it was, whether that would be relevant to any issue before us.
    9 Similar language from Commonwealth v. Borodine, 
    371 Mass. 1
    , 4 (1976), cert. denied, 
    429 U.S. 1049
     (1977) ("The questions
    23
    The questioning here was much like that found to be
    interrogation in Gordon, 47 Mass. App. Ct. at 826, where the
    arresting officer was "attempting, he testified, to calm [the
    defendant] down, and asked what she was doing in the area at
    that early hour (5:15 A.M.)."   "The fact that [Thermitus's]
    question was introductory does not automatically cause it to be
    classified as merely 'preliminary' and not interrogatory for
    Miranda purposes."   Id. at 828 (distinguishing cases in which
    preliminary questioning did not amount to custodial
    interrogation).   See Damiano, 
    422 Mass. at 13
     ("The fact that
    the trooper's initial questioning was not hostile and was
    undertaken simply to find out what the defendant knew about what
    had happened does not excuse the failure to give Miranda
    warnings").
    The defendant was subject to custodial interrogation.
    Because he was not given Miranda warnings, his motion to
    suppress his statements to Thermitus should have been allowed.10
    d.   Harmless error analysis.   The question remains whether
    the improper admission of the defendant's statements was
    were preliminary, directed to discovering who the defendant was
    and what he knew about the circumstances"), likewise concerned
    the issue whether the questioning was custodial, see id. at 4-5.
    10Because we conclude that the defendant's roadside
    confession should have been suppressed on this ground, we need
    not address the defendant's separate contention that it was not
    voluntary.
    24
    harmless beyond a reasonable doubt.   See Chapman v. California,
    
    386 U.S. 18
    , 24 (1967); Commonwealth v. Santos, 
    463 Mass. 273
    ,
    287-289 (2012).    Other than the defendant's confession, the
    Commonwealth presented no evidence of motive, and the
    inferential evidence of the defendant's intent to kill Constant
    was not overwhelming.   Indeed, according to Hunter's version of
    the events, the defendant's actions, which began with an attempt
    to stab her, were inexplicable.    The defendant claimed that he
    acted in self-defense, as he maintained in his letter to
    Constant's mother, and the jurors were also instructed on
    voluntary and involuntary manslaughter.    The evidence that the
    defendant admitted, shortly after the crime, that he had "just
    killed somebody" because that person was "running his mouth" was
    the strongest evidence offered at trial to provide a motive for
    the defendant's actions, to disprove his self-defense claim, and
    to prove malice.   The prejudicial impact of this evidence was
    "too strong to be considered harmless."    Commonwealth v. Howard,
    
    469 Mass. 721
    , 737 (2014), S.C., 
    479 Mass. 52
     (2018).    See
    Commonwealth v. Harris, 
    371 Mass. 462
    , 473 (1976) (referring to
    "the almost conclusive effect of any defendant's confession on a
    jury").   Accordingly, the defendant's convictions must be
    reversed.11
    11As the defendant was impliedly acquitted of murder in the
    first degree, any retrial of the murder indictment must be
    25
    2.   Hospital identification.    The defendant claims that
    Hunter's identification of him in the hospital should have been
    excluded because the procedure was unreliable and unnecessarily
    suggestive.   At the suppression hearing, Boston police
    Detectives Francis McLaughlin and Robert Kenney, whose testimony
    the motion judge "found to be truthful in all respects,"
    testified that the identification proceeded as follows.
    McLaughlin accompanied Hunter, in the back seat of a police
    cruiser, as she was transported to the hospital.     He explained
    that there was a person at the hospital who might or might not
    have been involved in the stabbing of Constant -- the police did
    not know -- and that it was important to determine if this
    person was or was not involved.     Before bringing Hunter into the
    emergency room, McLaughlin asked the police officers standing
    near the defendant to move away; he intended to walk Hunter
    around the perimeter of the emergency room, past the partitioned
    areas where the patients were being treated, to see if she
    recognized anyone.   However, as soon as McLaughlin and Hunter
    rounded the corner from the hallway to the treatment area,
    Hunter saw the defendant across the room and said, "That's him,
    that's him.   He's the one."   At the time, the defendant had just
    treated as a trial for murder in the second degree. See
    Commonwealth v. Figueroa, 
    468 Mass. 204
    , 228 (2014);
    Commonwealth v. Harrington, 
    379 Mass. 446
    , 455 (1980).
    26
    received treatment for head wounds, and his face was illuminated
    by a surgical light.
    The motion judge found that the police did "an exemplary
    job of trying to make sure the identification procedure was done
    fairly and orderly," that it was conducted promptly after the
    incident, and that the lighting did not make the procedure
    "unduly suggestive."     We agree.
    "Although one-on-one showup identification procedures are
    generally disfavored as inherently suggestive, they only raise
    due process concerns if it is determined that the procedure was
    unnecessarily or impermissibly suggestive" (quotation and
    citation omitted).     Commonwealth v. Moore, 
    480 Mass. 799
    , 811-
    812 (2018).   Moreover, showup identifications are appropriate
    "if there is 'good reason' to secure prompt identification of a
    suspect."   
    Id. at 812
    , quoting Commonwealth v. Dew, 
    478 Mass. 304
    , 306 (2017).     See Commonwealth v. Austin, 
    421 Mass. 357
    ,
    361-362 (1995); Commonwealth v. Travis, 
    100 Mass. App. Ct. 607
    ,
    613 (2022).   The burden is on the defendant to prove not only
    that the identification procedure being challenged "was
    suggestive, but [also] that it was 'unnecessarily suggestive.'"
    Johnson, 
    473 Mass. at 597
    , quoting Commonwealth v. Crayton, 
    470 Mass. 228
    , 235 (2014).
    Here, the police had good reason to conduct the hospital
    identification promptly, during the investigation of a violent
    27
    crime, to determine whether to arrest or release the defendant.
    The defendant does not argue otherwise.    Rather, he focuses on
    two factors that he characterizes as "especially suggestive
    circumstances":   the fact that his head was illuminated by a
    surgical light, and "Hunter's knowledge that she hit the
    assailant in the head with a metal object."
    As to the lighting, which was the result of medical rather
    than a police procedure, we discern no abuse of discretion in
    the judge's determination that it did not create "highly or
    especially suggestive circumstances" that would render the
    identification unreliable.   Johnson, 
    473 Mass. at 598, 602
    .
    Even when suspects are illuminated as the result of police
    procedure during a showup, this circumstance does not make an
    identification impermissibly suggestive.   See, e.g.,
    Commonwealth v. Meas, 
    467 Mass. 434
    , 442, cert. denied, 
    574 U.S. 858
     (2014); Commonwealth v. Phillips, 
    452 Mass. 617
    , 628-629
    (2008).   The defendant's suggestion that Hunter positively
    identified the defendant based on the wound to his head is mere
    speculation.   Moreover, the appearance of a suspect based on his
    recent involvement in the crime under investigation is part of
    the inherent suggestiveness of a showup procedure, not a special
    element of unfairness.   See Commonwealth v. Chotain, 
    31 Mass. App. Ct. 336
    , 341-342 (1991) (hospital identification reliable
    notwithstanding officers' statement to witness "that the man he
    28
    would see had a gash on his head in the same place that [the
    witness] had struck the intruder").12
    3.   Recorded interview.   The defendant argues that his
    recorded interview at the police station following his arrest
    should have been suppressed because the Commonwealth failed to
    show, beyond a reasonable doubt, that his waiver of his Miranda
    rights, and the statements themselves, were voluntary.     See
    Tremblay, 
    480 Mass. at 655-656, 661-662
     ("Due process requires a
    separate inquiry into the voluntariness of [a defendant's
    statement] apart from the validity of the Miranda waiver"
    [citation omitted]).   Because the motion judge's ruling on the
    defendant's motion to suppress the recorded interview was based
    entirely on his review of the recording and not drawn from any
    live testimony, our review is de novo, without deference to the
    motion judge's findings of fact.   See Yusuf, 488 Mass. at 385;
    Tremblay, 
    supra at 646-647, 656-657
    .
    The recorded interview begins with the defendant walking
    into the interview room, taking a seat, standing up when
    directed to a different chair, remaining standing as an officer
    removes his handcuffs, and then sitting again, all without
    assistance.   The defendant listened and responded appropriately
    12Because Hunter's unequivocal out-of-court identification
    of the defendant was admissible, she was properly permitted to
    identify him in court. See Dew, 478 Mass. at 315.
    29
    as McLaughlin asked for identifying information and then went
    through the defendant's Miranda rights one by one; the defendant
    followed along on a written Miranda waiver form, initialed each
    as it was read to him, and then signed the form.    The tone of
    the interview was cordial and conversational throughout.    After
    waiving his Miranda rights, the defendant said, "I won't answer
    any questions until I gain a full understanding of what's going
    on."   McLaughlin explained that a man had been stabbed in Hyde
    Park and that the defendant was under arrest as a result of the
    police investigation.   The defendant responded, "I still have no
    idea why I'm here," and during the interview he maintained not
    only that he did not understand what was going on, but also that
    he had been the victim of an attack.    At one point, he asserted,
    "You guys don't have the crucial evidence to put me away."
    Toward the end of the interview, the defendant said, "I had
    nothing to do with anything, I don't understand why I'm in the
    police station, where's the guy who could have attacked me?"
    Kenney answered, "It could be the guy that's dead," to which the
    defendant responded, "Somebody did a good job then."    Soon
    thereafter the defendant said he was done answering questions,
    and the detectives promptly ended the interview.
    Although "[t]he voluntariness of the waiver on the basis of
    Miranda and the voluntariness of the statements on due process
    grounds are separate and distinct issues," Commonwealth v.
    30
    Edwards, 
    420 Mass. 666
    , 673 (1995), the defendant's argument
    does not distinguish between the two.   He argues that his
    "incoherent" responses to questions, his statements that he did
    not know what was going on, and his voluntary consumption of
    substances13 rendered his waiver and statements involuntary.    In
    any event, both issues are "determined in light of the totality
    of the circumstances and they share many of the same relevant
    factors."   
    Id.
       These include the defendant's conduct, his "age,
    education, intelligence and emotional stability, . . . his
    physical and mental condition, . . . and the details of the
    interrogation, including the conduct of the police."
    Commonwealth v. St. Peter, 
    48 Mass. App. Ct. 517
    , 519 (2000).
    See Commonwealth v. Welch, 
    487 Mass. 425
    , 438 (2021).    "The
    Commonwealth bears the burden of proving beyond a reasonable
    doubt, in the totality of the circumstances, that a defendant's
    waiver was voluntary, knowing, and intelligent, and that his
    statements were voluntary."    Commonwealth v. Auclair, 
    444 Mass. 348
    , 353 (2005).
    Having conducted an independent review of the recorded
    interview, we agree with the motion judge that the defendant's
    waiver and statements were voluntary beyond a reasonable doubt.
    13During the interview, the defendant asserted that could
    not answer the detectives' questions about his earlier
    activities because he had been "trippin' balls all day" on
    marijuana and crystal methamphetamine.
    31
    The defendant is a high school graduate and had completed one
    year of college.   Although he at times appeared lethargic, his
    responses were coherent, consistent, and even calculated.   His
    repeated assertion that he did not understand what he was doing
    in the police station was not a statement about his orientation
    with respect to place, time, or situation, but rather had to do
    with the quantum of evidence the police had against him.    His
    comments regarding smoking marijuana tainted with crystal
    methamphetamine pertained to his alleged lack of memory of the
    events that took place earlier that day, not his inability to
    engage in a conversation.14   "[T]he mere influence of drugs or
    alcohol on the defendant will not transform otherwise voluntary
    statements into involuntary ones."   Welch, 487 Mass. at 439.
    "[T]he defendant was not demonstrating confusion" during the
    interview, Commonwealth v. Rivera, 
    482 Mass. 259
    , 267 (2019),
    and it does not appear that his waiver or statements "are
    attributable in large measure to [his] debilitated condition,"
    Commonwealth v. Bell, 
    473 Mass. 131
    , 141 (2015), cert. denied,
    
    579 U.S. 906
     (2016), quoting Commonwealth v. Allen, 
    395 Mass. 448
    , 455 (1985).   To the contrary, his comportment and behavior
    14We note that the recorded interview took place
    approximately five hours after the defendant was first
    apprehended, and any use of substances must have occurred prior
    to that time.
    32
    "indicate a rational understanding of the situation and a
    voluntary decision to speak to police."    Bell, supra at 142.15
    B.   Authentication of letter from jail.    The defendant
    contends that the trial judge erred in admitting, without
    sufficient authentication, the handwritten letter received by
    Constant's mother.    To admit the letter in evidence, the judge
    had to make a preliminary determination that the jury could find
    it more likely than not that the defendant was the author.      See
    Commonwealth v. Purdy, 
    459 Mass. 442
    , 447 (2011); Commonwealth
    v. Johnson, 
    102 Mass. App. Ct. 195
    , 200-201 (2023); Mass. G.
    Evid. §§ 104(b), 901(a) (2022).    "In the context of written
    letters, where a witness has received a letter and cannot
    identify the writer's handwriting or signature, evidence that
    the writer identified himself as a particular individual is not
    sufficient to authenticate the letter."    Purdy, 
    supra at 449
    .
    However, "where other confirming circumstances are present, a
    letter can be authenticated and properly admitted in evidence"
    (citation omitted).   
    Id.
       Authentication of an item may be
    15 As the motion judge, acting on the defendant's motion to
    suppress, reviewed the recorded interview and ruled on the
    defendant's claim that his Miranda waiver and statements were
    involuntary, there was no need, as the defendant contends, for
    the trial judge to conduct a second voir dire on the same issue
    prior to admitting the recorded interview in evidence. See
    Bryant, 
    390 Mass. at 745
    . In addition, the trial judge gave a
    "humane practice" instruction contemporaneously with the
    admission of the interview and again in the final charge.
    33
    proved by the contents of the item itself.   See id. at 447-448,
    quoting Mass. G. Evid. § 901(b)(1), (4) (2011) ("Evidence may be
    authenticated by direct or circumstantial evidence, including
    its '[a]ppearance, contents, substance, internal patterns, or
    other distinctive characteristics'").   See also Welch, 487 Mass.
    at 441 (confirming circumstances included content of text
    messages, "replete with details of the defendant's and the
    victim's lives, including the tensions within their
    relationship, aspects of their living arrangements, and the
    suspension of the defendant's driver's license from his
    [operating while under the influence of alcohol] charge");
    Commonwealth v. Siny Van Tran, 
    460 Mass. 535
    , 547 (2011)
    (airline documents authenticated by their use of "several
    distinctive internal codes"); Commonwealth v. Gilman, 
    89 Mass. App. Ct. 752
    , 759 (2016) (electronic communications
    authenticated by evidence that "the conversations were replete
    with personal references, including pet names the defendant and
    victim used for each other, and references to events in which
    the two alone participated").
    Abundant confirming circumstances were present here.      The
    letter was mailed from the Nashua Street jail, where the
    defendant was being detained prior to trial, and his name was
    handwritten in the return address corner of the envelope.     The
    letter contained details that only someone familiar with the
    34
    facts of the murder would know.     The author referred to Constant
    and Hunter by name and stated that the assault originated in
    Hunter's bedroom, that Hunter hit him on the back of the head
    with a spatula, and that he used "a kabar pocket knife."      The
    judge did not abuse her discretion in finding sufficient
    confirming circumstances that would allow the jury to determine,
    by a preponderance of the evidence, that the defendant wrote the
    letter.16
    C.     Defendant's medical records.   The defendant also argues
    that the trial judge abused her discretion in excluding medical
    records regarding his two-week admission to Carney Hospital, six
    months before the murder, for what the records describe as a
    "psychotic break associated with significant aggression."        The
    records of that admission also state that the defendant
    experienced "auditory hallucinations and paranoia" and that his
    history was "complicated by marijuana usage."     At the final
    pretrial conference, the defendant argued that the evidence
    could be relevant to his ability to form the requisite intent
    for deliberate premeditation and extreme atrocity and cruelty.
    The judge granted the Commonwealth's motion "to preclude
    testimony about any alleged mental health diagnosis of
    16When the letter was admitted, the judge instructed the
    jury that it was for them to decide whether the letter came from
    the defendant.
    35
    defendant," reasoning that the records in question were not
    relevant because the defendant had not made any showing or
    proffered any evidence that he was suffering from the same
    mental condition at the time of the crime.17
    The records were excluded in the context of a trial for
    murder in the first degree.   Any new trial will be on a charge
    of murder in the second degree.   See note 11, supra.   As the
    evidence of the defendant's prior mental illness may have
    different relevance at any new trial, and as it was excluded
    based on the deficiencies of the defendant's particular showing
    at the time of the first trial, we decline to address whether
    the trial judge abused her discretion in excluding the records.
    Before any new trial, the defendant is free to renew his attempt
    to introduce relevant, admissible evidence of his mental health
    status prior to the murder.
    Judgments reversed.
    Verdicts set aside.
    17As the Commonwealth correctly notes in its brief, the
    defendant had previously waived the defenses of lack of criminal
    responsibility and diminished capacity in open court, and at the
    final pretrial conference he made no reference to calling a
    mental health expert at trial; the judge's ruling, therefore,
    related only to medical records.