Commonwealth v. Sanchez , 476 Mass. 725 ( 2017 )


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    SJC-11360
    COMMONWEALTH   vs.   BENJAMIN SANCHEZ.
    Hampden.      December 9, 2016. - April 5, 2017.
    Present:   Gants, C.J., Botsford, Lenk, Hines, & Gaziano, JJ. 1
    Homicide. Burning a Dwelling House. Abuse
    Prevention. Evidence, Expert opinion, Admissions and
    confessions, Voluntariness of statement. Witness,
    Expert. Constitutional Law, Confrontation of witnesses,
    Waiver of constitutional rights, Admissions and
    confessions, Voluntariness of statement. Practice,
    Criminal, Capital case, Confrontation of witnesses, Waiver,
    Admissions and confessions, Voluntariness of statement,
    Postconviction relief.
    Indictments found and returned in the Superior Court
    Department on August 27, 2009.
    The cases were tried before Peter A. Velis, J., and a
    motion for a new trial, filed on May 20, 2015, was considered
    by Mark D. Mason, J.
    Elaine Pourinski for the defendant.
    Bethany C. Lynch, Assistant District Attorney, for the
    Commonwealth.
    1
    Justice Botsford participated in the deliberation on this
    case prior to her retirement.
    2
    GAZIANO, J.   In the early morning hours of July 12, 2009, a
    Springfield fire department rescue squad responded to a house
    fire and found the body of the defendant's estranged wife on the
    living room floor.   She was transported to a hospital where it
    was determined that she had been strangled and stabbed.    At
    trial, the Commonwealth relied on circumstantial evidence to
    prove that the defendant had entered the house, assaulted the
    victim, and set the building on fire.    A Superior Court jury
    convicted the defendant of murder in the first degree on
    theories of deliberate premeditation and extreme atrocity or
    cruelty, arson of a dwelling house, and violating a G. L.
    c. 209A abuse prevention order.
    On appeal, the defendant claims that the evidence
    introduced at trial was insufficient to support his convictions
    of murder in the first degree and arson.    In addition, he raises
    the following claims of error:    (1) expert witnesses were
    allowed to testify about the substance of forensic testing
    results obtained by other analysts, in violation of his right to
    confrontation under the Sixth Amendment to the United States
    Constitution; (2) his custodial statements to police were
    obtained without a valid Miranda waiver and were involuntary;
    and (3) the motion judge abused his discretion in denying the
    defendant's motion for a new trial without an evidentiary
    hearing.   The defendant also asks that we grant him a new trial
    3
    or reduce the verdicts pursuant to our authority under G. L.
    c. 278, § 33E.     We affirm the convictions and decline to reduce
    the degree of guilt or to order a new trial.
    1.   Facts.    We recite the facts the jury could have found
    in the light most favorable to the Commonwealth,
    see Commonwealth v. Latimore, 
    378 Mass. 671
    , 676-677 (1979),
    reserving certain facts for our discussion of the issues raised.
    The defendant and the victim were married for approximately
    fifteen years.     They had one son together.   The victim also had
    three children prior to her marriage to the defendant.
    In October, 2008, the defendant and the victim separated,
    at least in part because of the defendant's drug use.     The
    defendant moved from the house they had lived in to a mobile
    home park a few miles away.     In March, 2009, the victim obtained
    an emergency abuse prevention order against the defendant, 2 and
    in May, 2009, she filed for divorce     At the time of the victim's
    death, the defendant and the victim shared physical and legal
    custody of Angel.     The victim initially had been granted sole
    physical custody, but the custody order was modified
    approximately one month before her death to provide that Angel
    2
    Before the defendant and the victim separated, he
    repeatedly threatened to kill her if he found out that she was
    involved in a relationship with another man. At the time of her
    death, the victim indeed was dating another man. The defendant
    mentioned to one of the victim's daughters that he was aware of
    this relationship.
    4
    would spend weekdays with his mother and weekends with his
    father.
    In June, 2009, the defendant asked to meet with the victim
    to discuss their relationship.    She agreed to meet with the
    defendant on July 9, 2009, despite the abuse prevention order,
    so long as he brought his brother with him.    The defendant
    assented to this condition, but he arrived alone at the meeting.
    He asked the victim if she were certain that she wanted to
    follow through with the divorce.    She said that she was.    The
    defendant also expressed a desire to move to Puerto Rico with
    their son.    The victim told the defendant that he would have to
    make such a request to the court.    Upon hearing this, the
    defendant became visibly upset, slamming the door as he left.
    On Saturday, July 11, 2009, the victim left a family
    gathering around 11 P.M. and was dropped off at her house.      At
    approximately 11:20 P.M., the son called his half-sister, who
    lived with the victim but was staying at a friend's house that
    night.    The defendant took the telephone from his son and asked
    the half-sister where she was.    When she replied that she was at
    her friend's house, the defendant asked her "if [she] left [her]
    mother home alone."    She answered, "No."   This was a deliberate
    lie because she did not want the defendant to know that the
    victim was alone in the house.
    At 11:24 P.M., a security camera at the mobile home park
    5
    where the defendant lived recorded an image of a sport utility
    vehicle (SUV), consistent with the defendant's Hyundai Santa Fe,
    being driven away.    Six minutes later, at approximately 11:30
    P.M., one of the victim's neighbors heard a woman scream.     The
    scream came from the direction of the corner of the street where
    the victim lived.    The neighbor then heard a man and a woman
    arguing.   He looked out his window and saw a man and a woman
    standing at the door of the victim's house, arguing.    He
    recognized the woman as his neighbor.    The neighbor described
    the man as light-skinned, about five feet, eleven inches tall,
    and wearing a light-colored or white T-shirt and dark shorts.
    The video surveillance recording showed that the SUV returned to
    the mobile home park approximately thirty minutes later, at
    12:02 A.M. on July 12, 2009.
    Also at approximately midnight on July 12, 2009, one of the
    victim's neighbors smelled smoke and discovered that it was
    coming from the victim's house.    Fire fighters responded at
    12:46 A.M.   A rescue squad found the victim lying unconscious in
    the living room, in front of her bedroom door.    Emergency
    personnel transported her to the hospital, where she was
    pronounced dead.    In addition to burns, she had multiple blunt
    and sharp force injuries to her head, neck, arms, right knee,
    chest, back, and hands.    Her death was caused by a combination
    of sharp force injuries to her left lung, which caused it to
    6
    collapse, and inhalation of soot and smoke.   Hospital staff
    notified police after they discovered bruising and a ligature
    mark on the victim's neck.
    At 3 A.M. on July 12, 2009, Springfield police officers
    went to the defendant's trailer at the mobile home park.   He
    accompanied them to the police station, where he gave a
    statement and provided a buccal swab.   The officers noticed that
    the defendant had bruises on the back of his right hand and on
    his right wrist, and a wound on the webbing between the thumb
    and index finger of his left hand.
    The fire investigators determined that the fire had been
    set intentionally, and began in the victim's bedroom. 3
    The defendant provided statements to police on July 12, 17,
    and 18, 2009.   He said that, after his son went to bed, he drove
    his Hyundai Santa Fe SUV to purchase four bags of heroin and
    that, after returning home and injecting all four bags, he went
    back to purchase two additional bags.   Initially, the defendant
    said that he had not been inside the victim's house since April.
    In a later statement, he said that he and the victim had been
    together in the victim's house at approximately 3 or 4 P.M. on
    3
    This conclusion was based, in part, on the following:
    (1) all but one of the smoke detectors and carbon monoxide
    detectors had been rendered inoperable at the time of the fire;
    (2) the fire originated in the victim's bedroom; and
    (3) investigators ruled out cigarettes, candles, or electrical
    appliances as causes of the fire.
    7
    July 10, 2009, the day before her death. 4
    In the early morning hours of July 12, 2009, the front,
    back, and side doors of the victim's house were locked.   Keys to
    the house were found behind it, near the front porch of a
    neighboring house; they were "brand new" and were found on top
    of leaves and sticks.
    At trial, the Commonwealth presented deoxyribonucleic acid
    (DNA) evidence linking the defendant to the crimes.   This
    included evidence from a red-brown stain on the neck of a white
    T-shirt discovered in the doorway of the victim's bedroom.      That
    stain contained a mixture of DNA; short tandem repeat 5 (STR)
    testing showed that the major DNA profile matched the victim's
    profile, and that the defendant was a potential contributor to
    the minor profile.   There was also another potential contributor
    to the mixture.   Another DNA sample was obtained from underneath
    4
    One of the victim's daughters testified at trial that the
    defendant was not at the victim's house on July 10, 2009; the
    victim's boy friend testified that the victim went to his house
    at about 9 A.M. that day, and was there in the afternoon.
    5
    Short tandem repeat (STR) testing of deoxyribonucleic acid
    (DNA) focuses on specific places (loci) on the human chromosome
    where known sequences of DNA base pairs repeat themselves. A
    DNA analyst measures the number of times these repeat sequences
    occur at particular loci (called alleles), and uses that
    measurement to compare known standards against unknown forensic
    samples. In Y-STR DNA testing, the analyst separates male DNA
    from female DNA, and examines loci found exclusively on the male
    Y-chromosome. See Commonwealth v. DiCicco, 
    470 Mass. 720
    , 724
    n.11 (2015); Commonwealth v. Issa, 
    466 Mass. 1
    , 4-5 & n.5
    (2013).
    8
    one of the fingernails on the victim's right hand.     Y-chromosome
    STR (Y-STR) testing showed that a the major profile from that
    sample matched the Y-STR DNA profile of the defendant and his
    paternal relatives.     A third sample from the victim's neck
    contained the Y-STR DNA profiles of at least three males; the
    defendant and his paternal relatives could not be excluded from
    this mixture.
    2.   Discussion.   a.   Sufficiency of the evidence.   The
    defendant argues that the trial judge erred in denying his
    motions for required findings of not guilty, because the
    evidence was insufficient as a matter of law to support his
    convictions of murder in the first degree and arson.
    "In reviewing the denial of a motion for a required finding
    of not guilty, [this court] must determine whether the evidence,
    including inferences that are not too remote according to the
    usual course of events, read in the light most favorable to the
    Commonwealth, was sufficient to satisfy a rational trier of fact
    of each element of the crime beyond a reasonable doubt"
    (citation omitted).     Commonwealth v. Zanetti, 
    454 Mass. 449
    , 454
    (2009).   "[T]he evidence and the inferences permitted to be
    drawn therefrom must be 'of sufficient force to bring minds of
    ordinary intelligence and sagacity to the persuasion of [guilt]
    beyond a reasonable doubt'" (citation omitted).     
    Latimore, 378 Mass. at 677
    .
    9
    Having carefully reviewed the trial record, we conclude
    that the evidence introduced at trial was sufficient to support
    the convictions of murder in the first degree on the theories of
    deliberate premeditation and extreme atrocity or cruelty and
    arson.
    We highlight some of the salient facts recited above.     The
    evidence indicated that the defendant had a motive for the
    killing.   Four months before the victim's death, the victim
    obtained an emergency abuse prevention order against the
    defendant after a history of domestic violence.   A few days
    before the victim's death, the defendant and the victim had a
    conversation in which the defendant became visibly "upset" and
    slammed a door upon hearing from the victim that she would
    proceed with the divorce and would contest his move to Puerto
    Rico with their son.
    On the night of the stabbing, the defendant asked the
    victim's daughter if the victim was alone in her house.
    Although the defendant was misinformed that she was not, the
    victim indeed was alone in the house at that point, for the
    first time since she had obtained the abuse prevention order
    four months earlier.   Minutes after the conversation informing
    the defendant that the victim was at her house, while the son
    was asleep in the back room of the defendant's mobile home, an
    SUV similar to the defendant's Hyundai Santa Fe left the mobile
    10
    home park.   See Commonwealth v. Phoenix, 
    409 Mass. 408
    , 430
    (1991).   Six minutes later, a neighbor heard the victim scream,
    and then saw her standing at her front door arguing with a man.
    Early in the morning of July 12, 2009, police found the
    defendant with injuries on both hands.    His left hand tested
    positive for the presence of blood.    DNA evidence on a T-shirt
    found in the doorway of the victim's bedroom, and on her body,
    contained a mixture of DNA, including a major STR DNA profile
    that matched the victim's profile and a minor profile from which
    the defendant could not be excluded.
    The defendant made contradictory statements to police about
    his whereabouts on the day prior to, and the day of, the
    killing, that were contrary to testimony from the victim's
    daughter and the victim's boy friend.    See Commonwealth
    v. Robles, 
    423 Mass. 62
    , 71 (1996) ("False statements to police
    may be considered as consciousness of guilt if there is other
    evidence tending to prove the falsity of the statements").
    Taken together, the evidence also was sufficient to support
    a finding of extreme atrocity or cruelty.    The victim had blunt
    force injuries to both sides of her head, her right eye, both
    arms, and her right knee, and a ligature mark on her neck.     She
    also was stabbed forty-five times, including stab wounds to her
    neck and through her left lung.   Her arms and legs were burned,
    and she inhaled soot and smoke, which contributed to her death,
    11
    indicating that she was alive after having been repeatedly
    stabbed and beaten, and while the fire burned around her.
    In light of this, the defendant's argument that the
    Commonwealth did not meet its burden of proof because the
    evidence was circumstantial in nature, or because there was no
    blood or soot in the defendant's vehicle, or on his person or
    clothing, on the morning after the fire, is unavailing.    Viewed
    in the light most favorable to the Commonwealth, the evidence
    was sufficient to support the convictions.    See Commonwealth
    v. Lao, 
    443 Mass. 770
    , 779-780 (2005), S.C., 
    450 Mass. 215
    (2007) and 
    460 Mass. 12
    (2011) (circumstantial evidence in
    prosecution of murder in first degree was sufficient to warrant
    jury's conclusion that defendant killed his estranged wife).
    Accordingly, we turn to the defendant's other assertions of
    error.
    b.   Right to confront DNA analyst.   At trial, the defendant
    repeatedly objected to the testimony of Amy Barber, a DNA unit
    supervisor at the State police crime laboratory (crime lab), on
    the ground that her testimony violated his right to
    confrontation. 6   On appeal, he argues that it was error to permit
    6
    Three DNA analysts from the State police crime laboratory
    testified concerning STR and Y-STR DNA testing: Jennifer
    Montgomery testified to STR DNA profiles from the known samples
    of the victim and the defendant, and the Y-STR profile from the
    known sample of the defendant; Amy Barber testified to the STR
    DNA profiles that were obtained from twelve questioned samples
    12
    Barber to testify about the results of DNA testing performed by
    another analyst, Melanie Knasas, and that the Commonwealth
    failed to establish that Knasas was unavailable to testify.     We
    conclude that the testimony did not violate the defendant's
    right to confrontation.   See Commonwealth v. Greineder, 
    464 Mass. 580
    , 603, cert. denied, 
    134 S. Ct. 166
    (2013); Commonwealth v. Barbosa, 
    457 Mass. 773
    , 786 (2010),
    cert. denied, 
    563 U.S. 990
    (2011).
    Under the Sixth Amendment to the United States Constitution
    and art. 12 of the Massachusetts Declaration of Rights, a
    criminal defendant has the right to confront the government's
    witnesses.   See Bullcoming v. New Mexico, 
    564 U.S. 647
    , 657
    (2011); Melendez-Diaz v. Massachusetts, 
    557 U.S. 305
    , 329
    (2009).   See also Commonwealth v. Nardi, 
    452 Mass. 379
    , 388 n.10
    (2008) ("the protection provided by art. 12 is coextensive with
    the guarantees of the Sixth Amendment" [citation omitted]).    In
    addition, our common-law rules of evidence "afford a defendant
    more protection than the Sixth Amendment."     Commonwealth
    v. Tassone, 
    468 Mass. 391
    , 399 (2014).   Under the common law, we
    require that a defendant be provided with a "meaningful
    opportunity to cross-examine the expert about her opinion and
    and their comparison to the STR DNA profiles obtained from the
    known standards; and Kathleen Gould obtained the Y-STR DNA
    profiles from four questioned samples and compared them to the
    defendant's Y-STR DNA profile.
    13
    the reliability of the facts or data that underlie her
    opinion."    
    Id. Barber's expert
    testimony did not deprive the defendant of
    his rights under the confrontation clause.     Knasas worked at the
    crime lab.   She conducted the initial testing on twelve items
    (including from the victim's T-shirt, her right-hand
    fingernails, and her neck) to develop STR DNA profiles for later
    comparison to known DNA samples.     At the time of trial, however,
    Knasas no longer was employed at the crime lab, and she was
    traveling out of State.
    Barber was a DNA unit supervisor responsible for the day-
    to-day operations within the crime lab's DNA unit; she
    supervised five other chemists and was familiar with all of the
    crime lab's protocols and procedures.     In addition, Barber was
    the technical reviewer assigned to review Knasas's analysis in
    this case, to ensure that the proper protocols had been followed
    and that Knasas's conclusions were scientifically sound.
    Barber did not testify to Knasas's testing results.       During
    direct examination, the prosecutor prefaced his questioning by
    instructing Barber, "Now, I want to ask you specifically, Ms.
    Barber -- I don't want to ask you about any conclusions that
    have been reached by Ms. Knasas.     I'm going to ask you to
    testify to your own independent opinions based on the data you
    just described.    All right?"   Within those parameters, Barber
    14
    testified to a chart that she had prepared describing her
    interpretation of the raw data.
    Barber did not, as the defendant suggests, "act as a
    conduit for" Knasas's test results, opinions, or conclusions.
    See 
    Greineder, 464 Mass. at 595
    .     Rather, Barber testified that
    she "reviewed the data that came off of the detection software
    and was put through the analysis software," formulated her own
    opinions after interpreting the raw data produced during the
    process, and drew independent conclusions based upon data
    produced by the analysis software.    Barber also calculated the
    population frequency of each DNA profile and testified to her
    results.   See Commonwealth v. Chappell, 
    473 Mass. 191
    , 199-202
    (2015) (no confrontation clause violation where testifying
    expert independently reviewed raw data and reports produced by
    original analyst, made interpretations, and ensured that there
    was agreement between her findings and those of original
    analyst); Greineder, supra at 595, 601-602 (no confrontation
    clause violation where substitute analyst reviewed nontestifying
    analyst's work, including six prepared reports, and then
    conducted independent evaluation of data); 
    Barbosa, 457 Mass. at 791
    (no confrontation clause violation where substitute analyst
    conducted full technical review of other analyst's DNA reports
    regarding testing that was performed and results of testing).
    Moreover, the admission of Barber's testimony did not
    15
    violate the defendant's common-law right to confrontation.
    See 
    Tassone, 468 Mass. at 399
    .   The defendant had a meaningful
    opportunity to cross-examine Barber and, in fact, did challenge
    Barber's testimony, extracting, on cross-examination, that there
    was a third, unknown potential contributor to the DNA mixture on
    the white T-shirt.   Defense counsel also asked Barber about
    other unknown results from other swabs, the crime lab's testing
    procedures and protocols, and why DNA testing was not performed
    on particular items.
    The defendant contends further that the confrontation
    clause requires the Commonwealth to prove Knasas's
    unavailability before Barber was permitted to testify.   This
    argument is without merit.   We do not require the Commonwealth
    to demonstrate that an analyst is unavailable as a prerequisite
    to the admission of substitute expert testimony in order to
    comport with a defendant's rights under the confrontation
    clause.   See Commonwealth v. Williams, 
    475 Mass. 705
    , 718-719
    (2016) (substitute medical examiner allowed to testify to her
    independent understanding of cause of death based on autopsy
    report and photographs despite availability of medical examiner
    who performed autopsy).
    c.   Right to confront electrical-fire investigator.    The
    defendant argues that his Sixth Amendment confrontation clause
    rights were violated by the testimony of State police Trooper
    16
    David Percy.   Percy, an arson investigator, testified that the
    fire was set deliberately.   In conducting his investigation,
    Percy was assisted by fire fighter and licensed electrician
    Benjamin Hall.   Percy observed Hall examine electrical
    appliances, electrical outlets and wall switches for damage.
    The defendant argues that the Commonwealth's failure to present
    testimony from Hall denied the defendant the right to challenge
    the testimony that the fire was not accidental.    For reasons
    similar to our discussion of the DNA analysis, we conclude that
    Percy's testimony did not violate the defendant's rights under
    the confrontation clause.
    Percy, unlike Hall, was not a licensed electrician.     Percy
    was, however, able to respond directly to the defendant's
    questions about the decision to rule out an accidental fire
    based on an electrical source. 7   Percy had personally inspected
    the various electrical outlets and electrical appliances in the
    victim's house, and had formed his own independent opinion
    concerning the origin of the fire.    Percy did not repeat Hall's
    opinion.   See 
    Barbosa, 457 Mass. at 783-784
    .   Having been able
    to cross-examine Percy concerning the investigation into causes
    7
    Percy had completed training courses in basic and advanced
    electrical investigation;, and the failures of appliances and
    electricity. He had inspected electrical switches and
    electrical outlets in the course of investigating approximately
    1,000 fires.
    17
    of the fire, 8 the defendant was not deprived of his right to
    confrontation on this issue.   See Barbosa, supra at 784.
    d.   Defendant's statements.   The defendant challenges the
    validity of his waiver of the Miranda rights, see Miranda
    v. Arizona, 
    384 U.S. 436
    (1966), and the voluntariness of the
    statements that he gave to Springfield police officers on July
    12, 17, and 18, 2009.
    The Commonwealth "bears the burden of proving beyond a
    reasonable doubt, in the totality of the circumstances, that a
    defendant's [Miranda] waiver was voluntary, knowing, and
    intelligent."   Commonwealth v. Auclair, 
    444 Mass. 348
    , 353
    (2005).   "Absent clear error, we accept a . . . judge's findings
    of fact . . . , and a finding of voluntary waiver is given
    substantial deference" (citation omitted).    
    Id. In reviewing
    a judge's denial of a motion to suppress, we
    accept the judge's findings of fact and will not disturb them
    absent clear error.   See Commonwealth v. Smith, 
    456 Mass. 476
    ,
    478 (2010).   We conduct an independent inquiry as to whether the
    defendant's statements were made voluntarily and without
    coercion.   See Commonwealth v. Carnes, 
    457 Mass. 812
    , 818-819
    8
    On appeal, the defendant claimed that his confrontation
    clause rights also were violated by the Commonwealth's failure
    to call Springfield police Officer Kenneth Jones as a witness at
    the hearing on the defendant's motion to suppress. The
    defendant is mistaken. Jones testified on the fourth day of the
    hearing, and he was subject to cross-examination.
    18
    (2010).     "A statement is voluntary if, in the totality of the
    circumstances surrounding the making of the statement, the
    defendant's will is not overborne, so that the statement is the
    result of a free and voluntary act."     
    Id. at 819.
      "In looking
    at the totality of the circumstances to determine the
    voluntariness of a statement, the judge may consider, among
    other things, the defendant's age, education, intelligence,
    physical and mental stability, and experience with and in the
    criminal justice system."     Commonwealth v. Andersen, 
    445 Mass. 195
    , 203 (2005).
    Here, we discern no error in the judge's decision to deny
    the defendant's motion to suppress his statements.
    i.    Statement on July 12.   To begin, we consider whether
    the defendant was subjected to custodial interrogation
    triggering Miranda protections.    "[T]he safeguards prescribed
    by Miranda become applicable as soon as a suspect's freedom of
    action is curtailed to a 'degree associated with a formal
    arrest.'"    Berkemer v. McCarty, 
    468 U.S. 420
    , 440 (1984),
    quoting California v. Beheler, 
    463 U.S. 1121
    , 1125 (1983) (per
    curiam).    See Commonwealth v. Martinez, 
    458 Mass. 684
    , 695 n.12
    (2011).    It is the defendant's burden to establish that he was
    subject to custodial interrogation.     Commonwealth v. Kirwan, 
    448 Mass. 304
    , 309 (2007).    "The test is an objective one:   would a
    reasonable person in the circumstances of the defendant's
    19
    interrogation have perceived the environment as coercive?" 9     
    Id. The judge
    concluded, and we agree, that the defendant
    failed to establish that the interrogation was custodial.      The
    defendant voluntarily accompanied the officers from his home to
    an interview room at the police department.    That the interview
    occurred at the police station is not, by itself, controlling.
    See Commonwealth v. Gil, 
    393 Mass. 204
    , 212 (1984).    Once in the
    interview room, the detectives informed the defendant that he
    was not required to be there.    He was told a number of times
    that he was not under arrest and that he could leave at any
    time.    At the end of the two-hour interview, the defendant was
    not arrested, and was driven home by an officer.
    See Commonwealth v. Clemente, 
    452 Mass. 295
    , 327-328 (2008),
    cert. denied, 
    555 U.S. 1181
    (2009).
    9
    The factors relevant to determining whether a suspect is
    in custody for Miranda purposes include:
    "(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."
    Commonwealth v. Groome, 
    435 Mass. 201
    , 211-212 (2001). "Rarely
    is any single factor conclusive." Commonwealth v. Bryant, 
    390 Mass. 729
    , 737 (1984).
    20
    The defendant also challenges the voluntariness of his
    statement on July 12.    He maintains that any statements were not
    the product of rational thought, because he was under the
    influence of heroin and alcohol, had not taken his medications
    for mental illness, and suffers from a learning disability.       The
    judge found these arguments to be without merit.     We conclude
    that this finding was not clearly erroneous.
    Here, "[t]he atmosphere surrounding the officer's questions
    was neither coercive nor intimidating."    Commonwealth
    v. Burbine, 
    74 Mass. App. Ct. 148
    , 151-152 (2009).    The judge
    found that the officers' comments, at this point at the
    beginning of their investigation, were "investigatory rather
    than accusatory."   
    Kirwan, 448 Mass. at 311
    .    The officers spoke
    to the defendant in English, his second language, in an
    interview room.   The detectives did not have difficulty
    understanding the defendant, and he did not appear to have
    difficulty understanding them.    The detectives simplified the
    manner of their questioning in order to accommodate the
    defendant's learning disability.    They did not challenge the
    defendant's answers to questions.    The defendant was cooperative
    and answered questions readily.    The detectives neither
    threatened the defendant nor made any promises in order to
    induce him to speak.    The defendant was alert and did not appear
    to be under the influence of drugs or alcohol.    He remained calm
    21
    until the detectives notified him of the victim's death.    After
    the interview, one of the detectives read a typed statement to
    the defendant because he had indicated that he was not able to
    read or write, and the defendant then signed it. 10
    We note that, during the July 12 interview, a detective
    falsely informed the defendant that the victim had been pregnant
    when she died.   The judge did not accept the detective's
    explanation that he passed along this upsetting information to
    the defendant because he "must have been told by somebody that
    she may have been [pregnant]."     The judge found that "[t]his
    news did upset the defendant, but even if it were intended to
    elicit incriminating statements regarding [the victim's] death,
    such a tactic was unsuccessful. . . .    [I]t did not have any
    impact on the defendant's statement."    The judge's findings
    regarding the impact of the detective's false statement are not
    clearly erroneous.
    ii.   Statement on July 17.   The defendant contends also
    that, because he was under the influence of alcohol and heroin,
    and had not taken his medications for his mental illness at the
    10
    We note that the judge incorrectly stated in his findings
    of fact that the defendant had requested a correction to this
    statement before signing it, and referenced that as further
    indication that, when he made the statement, the defendant had
    been alert, unimpaired by drugs or alcohol, and able to
    understand the detectives' spoken English. This error is of no
    moment, however, as our review of the course of conduct of the
    interview persuades us that the defendant was alert, unimpaired
    by alcohol or drugs, and able to understand the detectives.
    22
    time of his arrest, his Miranda waiver and subsequent statements
    were not voluntary, and his recorded statement on July 17 should
    have been suppressed.   In light of the totality of the
    circumstances, we conclude that the judge properly determined
    that the defendant knowingly and voluntarily waived his Miranda
    rights, and voluntarily provided the statement to police.
    After he was arrested on July 17, the defendant was
    transported to the police station and brought to an interview
    room.   The detectives asked the defendant if he wanted a
    Spanish-speaking officer to translate.   The defendant accepted
    this offer, and a Spanish-speaking detective joined them.   This
    detective spoke to the defendant in Spanish.   The defendant
    agreed to speak English during the interview, and to have
    portions of the interview interpreted as needed.   During the
    interview, the Spanish-speaking detective clarified a few terms,
    but the vast majority of the interview was conducted in English,
    without apparent difficulties.
    The detectives began the recorded interview by advising the
    defendant of his Miranda rights, his telephone rights, and his
    right to a prompt arraignment.   The detective read each right to
    the defendant, who indicated his understanding of each right
    orally and by initialing each line on the form.    In response to
    line eight on the form, "[h]aving these rights in mind do you
    wish to talk to me now?" the defendant wrote his initials and
    23
    said, "I don't have a problem."     When the detective asked the
    defendant if he wanted to use a telephone, the defendant
    replied, "In a little while," and the detective told the
    defendant to let him know when the defendant wanted to use it.
    While, as the judge noted, it would have been better
    practice to inquire into the defendant's need for medication,
    once the defendant alluded to his medications for mental
    illness, the judge found that "the defendant was coherent, [and]
    able to understand the questions put to him . . . , and that the
    defendant's responses to the questions were generally
    appropriate and evidenced his comprehension of the questions." 11
    The judge found that defendant's demeanor indicated that he was
    not impaired by alcohol, heroin, or the lack of medication.
    About ten minutes into the interrogation, the defendant
    handed a detective a criminal defense attorney's business card
    and said, "Call him."   The detective considered the defendant's
    act and remark as an invocation of his right to counsel and,
    accordingly, ended the interview.    The detective informed the
    defendant that he would be booked and processed, and that he
    would be able to make a telephone call.
    After the defendant invoked his right to counsel, however,
    11
    The defendant denied any involvement in the victim's
    death. See Commonwealth v. Fournier, 
    372 Mass. 346
    , 348–349
    (1977) (fact that statement is exculpatory may be taken into
    account in determining whether it is voluntary).
    24
    the detective told the defendant, "I am disappointed because I
    thought you'd step up and take [your son] out of this."      This
    comment was highly inappropriate, as the detective did not
    scrupulously honor the defendant's right to speak through
    counsel.   Once Miranda warnings have been given, if a defendant
    states that he or she wants an attorney, the interrogation must
    cease until an attorney is present.    See Commonwealth v. Brant,
    
    380 Mass. 876
    , 882, cert. denied, 
    449 U.S. 1004
    (1980).
    Interrogation refers "not only to express questioning, but also
    to any words or actions on the part of the police (other than
    those normally attendant to arrest and custody) that the police
    should know are reasonably likely to elicit an incriminating
    response from the suspect" (footnote omitted).    Rhode Island
    v. Innis, 
    446 U.S. 291
    , 300-301 (1980).   See Commonwealth
    v. Mejia, 
    461 Mass. 384
    , 390 (2012).   The detective's comment,
    which was designed to induce the defendant to make incriminating
    statements in an effort to protect his son, constituted the
    functional equivalent of interrogation after the defendant had
    invoked his right to counsel and to silence.
    The judge found that the defendant "did not . . . take the
    bait, and he remained silent."   After carefully weighing the
    circumstances, the judge determined that the effect of the
    officer's comment had dissipated by the time the defendant
    recanted his invocation of his Miranda rights on the following
    25
    day, and we do not disturb this finding.    See Commonwealth
    v. Bradshaw, 
    385 Mass. 244
    , 258-259 (1982) (taint of police
    misconduct had dissipated, and defendant's subsequent statement
    was not fruit of poisonous tree where defendant was provided
    Miranda warnings at least twice before he made statement,
    interrogation began approximately two hours after police
    misconduct, and there was no insistent questioning or brutality
    on part of police).
    iii.    Statement on July 18.   The defendant argues that the
    police questioning on July 18 was improper because he had
    invoked his right to counsel on the previous day, and also that
    his statements were involuntary because he was experiencing
    heroin withdrawal, was without his medication for his mental
    illness, and was disadvantaged by a learning disability.    Based
    on these factors, the defendant argues that his statements were
    "not a product of rational thought."    The judge rejected these
    arguments.    We discern no error in the judge's assessment.
    Once a defendant invokes his or her right to counsel, the
    defendant may not be questioned until counsel has been made
    available, unless the defendant himself or herself initiates
    further communication with police.    See Commonwealth v. Judge,
    
    420 Mass. 433
    , 450 (1995).    Here, the judge concluded that the
    defendant "subsequently decided independently" to speak with
    police without an attorney, and initiated his further contact
    26
    with police following his invocation of his right to counsel on
    July 17.    See 
    id. at 450-451.
      See also Edwards v. Arizona, 
    451 U.S. 477
    , 484-485 (1981).
    On July 18, Springfield police Officer Kenneth Jones was
    walking by the defendant's cell at 9 A.M., during a routine cell
    check, when the defendant indicated to Jones that he wanted to
    speak to the detectives.    Jones did not initiate the
    conversation.    The detectives asked the defendant if he wished
    to speak without a lawyer present, and the defendant indicated
    that he did.
    In response to the defendant's request, the detectives
    brought the defendant to an interview room in the detective
    bureau.    The interview was recorded.   The detectives spoke to
    the defendant in English after he indicated that he understood
    English.    They had no difficulty communicating with the
    defendant over the course of an interview lasting two hours and
    twenty minutes.    The officers reviewed what had occurred on the
    previous day and earlier that morning.     They again read each
    line of the Miranda rights form to the defendant, he initialed
    each line indicating his understanding, and he indicated that he
    would speak without an attorney present.
    In light of all the circumstances, we conclude that there
    was no violation of the defendant's Miranda rights at the July
    18 interview, because he himself initiated contact with the
    27
    police, a significant period of time had elapsed between his
    invocation of the right to counsel on July 17 and his election
    to speak without a lawyer present on July 18, and, before he
    spoke, he was provided, and again waived, his Miranda rights.
    See Commonwealth v. Rankins, 
    429 Mass. 470
    , 472-473 (1999).
    Police may not badger a defendant into waiving his or her
    previously asserted Miranda rights.    See Michigan v. Harvey, 
    494 U.S. 344
    , 350 (1990).    The detective's statement on the previous
    day concerning "tak[ing] [the defendant's son] out of this" did
    not, however, constitute postinvocation badgering, where
    approximately eighteen hours separated the defendant's
    invocation of his right to counsel and the defendant's
    initiation of further dialogue with the police.    See 
    Rankins, 429 Mass. at 473
    .
    The judge properly found the defendant's July 18 statement
    to be voluntary.    The defendant did not request an interpreter,
    as he had the previous day, and the detectives were able to
    communicate with the defendant without difficulty.    The
    defendant was alert and did not appear to be experiencing
    withdrawal symptoms.    He did not clearly tell the detectives
    that he took medication for a mental illness.    The defendant
    answered the officers' questions and often provided more
    information than what was requested.    He recounted his
    activities the day of and the day preceding the murder.     He
    28
    never sought an end to the interview and never requested a
    lawyer, a request he clearly knew how to make given that he had
    asked for a lawyer the previous day.    Although the defendant
    told police that he was "high" twenty-four hours a day, and that
    he had a daily heroin habit, the evidence does not show that the
    defendant was impaired due to withdrawal from heroin. 12
    A detective typed a written statement for the defendant,
    printed it, and another detective read it out loud.    The
    defendant did not agree with the statement.    He insisted that
    the detectives delete words referring to the victim's death from
    the paragraph describing the purpose of the detectives'
    interrogation, insisting that he had had nothing to do with her
    death.    Once that change was made, and the defendant was read
    the revised version, he signed the statement.
    We accordingly conclude that the defendant reinitiated
    contact with the police, knowingly and voluntarily waived his
    Miranda rights for a second time, and voluntarily gave a second
    statement.
    e.    Evidentiary hearing on motion for postconviction
    12
    The judge found that "for the first few minutes of the
    . . . interview, the defendant's legs were shaking, his hands
    were fidgeting, and . . . he repeatedly requested cigarettes.
    Once he smoked the first cigarette and was told that he would
    have to wait for the second . . . cigarette, the defendant
    calmed down considerably for approximately [thirty] minutes,
    during which time he focused on answering the detectives'
    questions. The defendant did not seem confused or disoriented."
    29
    relief.    The defendant filed a motion for a new trial based on a
    claim of ineffective assistance of counsel, which was denied
    without an evidentiary hearing. 13   The defendant contends that,
    because his motion for a new trial raised a constitutional claim
    of ineffective assistance, and was supported by affidavits, it
    was error to deny the motion without an evidentiary hearing.     In
    his motion for a new trial, the defendant claimed that he heard
    voices during the trial, and that he was deprived of the
    effective assistance of counsel due to counsel's failure to
    bring his mental state to the court's attention.    The defendant
    submitted his own affidavit and the affidavits of his two
    sisters as evidence.    An affidavit by trial counsel contradicted
    the defendant's claims. 14
    We typically review the grant or denial of a motion for a
    new trial under the abuse of discretion or other error of law
    standard.    See Commonwealth v. Lykus, 
    451 Mass. 310
    , 325–326
    (2008).    However, where the motion judge is not the trial judge,
    13
    The trial judge had retired.
    14
    In his affidavit, the defendant's trial counsel
    represented, inter alia, that the defendant had been deemed
    competent by a doctor before trial, and that counsel had agreed
    with that evaluation at the time; that the defendant did not
    appear to have difficulty understanding the trial proceedings;
    and that counsel was "very sensitive" to the defendant's
    struggles with mental illness and asked the defendant "several
    times every day during the trial whether he was okay and whether
    he understood what was going on," and the defendant always
    replied in the affirmative.
    30
    and no evidence is taken, we are able to assess the trial record
    and conduct a de novo review.   See Commonwealth v. Grace, 
    397 Mass. 303
    , 307 (1986).
    "A judge is required to conduct an evidentiary hearing on a
    motion for a new trial only if a substantial issue is raised by
    the motion or affidavits."   Commonwealth v. Torres, 
    469 Mass. 398
    , 402 (2014).   See Commonwealth v. Wallis, 
    440 Mass. 589
    , 596
    (2003); Mass. R. Crim. P. 30 (c) (3), as appearing in 
    435 Mass. 1501
    (2001).   In deciding whether to hold an evidentiary
    hearing, "a judge considers the seriousness of the issues raised
    and the adequacy of the defendant's showing on those
    issues."   Torres, supra at 402-403.   During this inquiry, a
    judge may consider the affiant's self-interest or bias.
    See Commonwealth v. Leng, 
    463 Mass. 779
    , 787 (2012) (motion
    judge did not abuse her discretion when she refused to credit
    defendant's uncontroverted affidavit).
    In his written decision, the motion judge weighed the
    competing affidavits and found, "Because I credit trial
    counsel's affidavit [that he monitored the defendant's mental
    state in light of the defendant's potential incompetence], I do
    not credit the countervailing representations set forth in the
    other affidavits."   The motion judge denied the motion for new
    trial without a hearing.
    Based on the defendant's failure to raise a substantial
    31
    issue by affidavit, we conclude that the motion judge's denial
    of the defendant's motion for postconviction relief without a
    hearing did not constitute an abuse of discretion.
    See Commonwealth v. Tucceri, 
    412 Mass. 401
    , 409, 414 (1992).
    f.   Review under G. L. c. 278, § 33E.   The defendant argues
    also that there were mitigating facts in this case that warrant
    exercise of our authority under G. L. c. 278, § 33E, to reduce
    the degree of guilt to manslaughter or, in the alternative,
    murder in the second degree.    We have carefully reviewed the
    entire record pursuant to our duty under G. L. c. 278, § 33E,
    and discern no reason to order a new trial or to reduce the
    conviction to a lesser degree of guilt.    See 
    Lao, 443 Mass. at 781
    .
    Judgments affirmed.
    Order denying motion for a
    new trial affirmed.