GEORGE JOHNSTONE, petitioner.

COWIN, J. This case concerns the interplay between the role of the qualified examiners and that of the community access board (CAB) in discharge proceedings for sexually dangerous persons pursuant to G. L. c. 123A, § 9. At the petitioner's discharge trial, two qualified examiners who, under the statutory scheme, were ordered by the court to examine the petitioner for sexual dangerousness,

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see id., testified that the petitioner was not a sexually dangerous person. A member of the CAB, however, testified to the CAB's conclusion that the petitioner was sexually dangerous. The trial judge allowed the petitioner's motion for a directed verdict. The Appeals Court affirmed, concluding that the Commonwealth could not prevail at trial because neither the CAB member's testimony nor the CAB's report constituted expert evidence of current sexual dangerousness, as required by Commonwealth v. Bruno, 432 Mass. 489, 510-511 (2000), and Commonwealth v. Dube, 59 Mass. App. Ct. 476, 482 (2003). See Johnstone, petitioner, 72 Mass. App. Ct. 123, 131-135 (2008).

We granted the Commonwealth's application for further appellate review. The question presented is whether, at the trial of a petition for discharge under G. L. c. 123A, § 9, in which both qualified examiners form the opinion that the petitioner is no longer sexually dangerous, the testimony of a CAB member and the accompanying CAB report constitute evidence that is sufficient for the Commonwealth to avoid a directed verdict. For the reasons stated infra, we hold that it is not. If neither qualified examiner forms the opinion that the petitioner remains a sexually dangerous person, the Commonwealth may not obtain the expert evidence it needs from the CAB or other sources and the petitioner is entitled to be discharged without trial. We conclude further that the same reasoning applies to initial commitment proceedings pursuant to G. L. c. 123A, § 12 (b), and that the Commonwealth cannot proceed to trial thereunder when both qualified examiners opine that the person in question is not sexually dangerous. [Note 1]

1. Background. The evidence presented at trial and the reasonable inferences the jury could have drawn from it are thoroughly summarized by the Appeals Court in its decision. See Johnstone, petitioner, supra at 124-130. For present purposes, it is sufficient to note the following. The petitioner, after serving a ten-year sentence at the Massachusetts Correctional Institution at

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Concord for sex offenses he had committed in 1990 and 1991, was committed pursuant to G. L. c. 123A, § 14, as a sexually dangerous person. He subsequently filed a petition seeking his discharge from the commitment. See G. L. c. 123A, § 9. As required by that section, the petitioner was examined by two qualified examiners, and each concluded that he was no longer sexually dangerous. However, after meeting with the petitioner and members of his treatment team, the members of the CAB unanimously reached the opposite conclusion in their annual review of the petitioner's sexual dangerousness.

The case was tried to a jury in the Superior Court. At trial, both qualified examiners testified on behalf of the petitioner, opining that the petitioner was no longer sexually dangerous. Through the oral testimony of one of the CAB's members (who had also been designated a qualified examiner, but did not serve in that capacity in this case), the Commonwealth introduced the CAB report concluding that the petitioner remained sexually dangerous. [Note 2] As mentioned, the judge allowed the petitioner's motion for a directed verdict, the Appeals Court affirmed, and we granted further appellate review. We agree that the petitioner's motion for a directed verdict was properly allowed, although for a reason different from that of the Appeals Court, and we affirm the judgment.

2. Statutory scheme. If there is probable cause to believe that a person who has been convicted of a sex offense is "sexually dangerous," [Note 3] the Commonwealth may file a petition seeking to have that person confined beyond the term of his criminal sentence.

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See G. L. c. 123A, § 12. If a Superior Court judge is satisfied that there is probable cause to believe a person is sexually dangerous, the person shall be committed to the Massachusetts Treatment Center (treatment center) for up to sixty days so that two "qualified examiners" [Note 4] may conduct an examination and diagnosis. See G. L. c. 123A, § 13 (a). The qualified examiners must "file with the court a written report of the examination and diagnosis and their recommendation of the disposition of the person named in the petition." [Note 5] Id.

Following this examination by the qualified examiners, the Commonwealth may petition the court for a trial to determine whether the person is a sexually dangerous person. See G. L. c. 123A, § 14 (a). A jury trial must then be held to determine whether the person is sexually dangerous, but the person may waive his right to a jury. Id. If the jury unanimously find "beyond a reasonable doubt that the person named in the petition is a sexually dangerous person, such person shall be committed to the treatment center . . . for an indeterminate period of a minimum of one day and a maximum of such person's natural life." G. L. c. 123A, § 14 (d).

General Laws c. 123A, § 6A, created the CAB which, inter alia, evaluates persons previously found to be sexually dangerous. The CAB must "conduct annual reviews of and prepare reports on the current sexual dangerousness of all persons at the treatment center, including those whose criminal sentences have not expired." Id. The CAB is also responsible for administering a

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"community access program." [Note 6] Id. To that end, the CAB "evaluate[s] residents for participation in the community access program and establish[es] conditions to ensure the safety of the general community." Id. Section 6A further provides that the CAB "shall have access to all records of the person being evaluated and shall give a report of its findings, including dissenting views, to the chief administrative officer of the [treatment] center." Id. The CAB's membership "shall include three department of correction employees and two persons who are not department of correction employees, but who may be independent contractors or consultants. The [nonemployee] members shall consist of psychiatrists or psychologists licensed by the [C]ommonwealth." [Note 7] Id. The statute also makes the CAB report admissible in discharge proceedings conducted pursuant to G. L. c. 123A, § 9.

Once a person is committed to the treatment center, he may file a petition for examination and discharge once per year, seeking his release on the ground that he is no longer a sexually dangerous person. See G. L. c. 123A, § 9. Either the petitioner or the Commonwealth may demand that the discharge petition be tried by a jury. Id. Upon the filing of a petition for discharge, the judge "shall order the petitioner to be examined by two qualified examiners, who shall conduct examinations, including personal interviews, of the person on whose behalf such petition is filed and file with the court written reports of their examinations and diagnoses, and their recommendations for the disposition of such person." Id. If the petitioner "refuses, without good cause, to be personally interviewed by a qualified examiner

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appointed pursuant to this section," then the petition may be dismissed on the Commonwealth's motion. Id.

The qualified examiners' reports are admissible at the trial of the petition, as is "[e]vidence of the [petitioner's] juvenile and adult court and probation records, psychiatric and psychological records, the department of correction's updated annual progress report of the petition, including all relevant materials prepared in connection with the [G. L. c. 123A, § 6A,] process, [Note 8] and any other evidence that tends to indicate that he is a sexually dangerous person . . . ." G. L. c. 123A, § 9. "Unless the trier of fact finds that [the petitioner] remains a sexually dangerous person, [the judge] shall order [the petitioner] to be discharged from the treatment center." Id.

3. Discussion. The requirement of expert evidence is not expressly contained in the text of G. L. c. 123A. However, the absence of explicit language in the statute does not end the analysis. "While commitment proceedings under c. 123A are civil proceedings, the potential deprivation of liberty to those persons subjected to these proceedings 'mandates that due process protections apply.' " Commonwealth v. Bruno, 432 Mass. 489, 502 (2000), quoting Commonwealth v. Travis, 372 Mass. 238, 250 (1977). Therefore, in order for the person to be involuntarily committed for an indefinite period, substantive due process requires the Commonwealth to prove that a person is likely to pose a danger to others if released because he suffers from a "mental illness, abnormality, or disorder" that causes that person to have "serious difficulty in controlling [his] behavior." See Kansas v. Crane, 534 U.S. 407, 412-413 (2002). See also Kansas v. Hendricks, 521 U.S. 346, 356-358 (1997); Dutil, petitioner, 437 Mass. 9, 17-18 (2002).

Because the trier of fact in G. L. c. 123A proceedings must decide "[w]hether a person suffers from a mental abnormality or personality defect, as well as the predictive behavioral question of the likelihood that a person suffering from such a condition will commit a sexual offense," and because these are "matters beyond the range of ordinary experience," expert evidence

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is required in order to commit a person to the treatment center or to keep a person confined there. Commonwealth v. Dube, 59 Mass. App. Ct. 476, 483 n.12 (2003), quoting Commonwealth v. Bruno, supra at 511. As the Commonwealth observes, Massachusetts courts have not required that expert evidence of a person's current sexual dangerousness be supplied only by the qualified examiners in G. L. c. 123A proceedings. See Commonwealth v. Poissant, 443 Mass. 558, 560 n.6 (2005). The statute does not state that a qualified examiner's opinion that a person is currently sexually dangerous is necessary for the trier of fact to conclude that the person should be, or remain, committed under G. L. c. 123A. We must determine in this case whether the statutory scheme implicitly creates such a role for the qualified examiners.

The petitioner in this case makes no argument that the CAB's report is inadmissible. Rather, he argues that, notwithstanding the CAB's conclusion that the petitioner is sexually dangerous, the Commonwealth cannot meet its burden without an opinion from at least one qualified examiner that the petitioner remains sexually dangerous. The petitioner bases his argument on the central role of the qualified examiners in the statutory scheme as a whole. The logical implication of his position is that, absent the opinion of at least one qualified examiner that the petitioner remains sexually dangerous, the petitioner is entitled to be discharged from commitment. [Note 9]

The Commonwealth's position is that, although the decisions in Commonwealth v. Bruno, supra at 510-511, and Commonwealth v. Dube, supra, require expert evidence, neither decision requires that evidence to come only from the qualified examiners; and that G. L. c. 123A does not, by its terms, require at least one qualified examiner to opine that a person is sexually dangerous for the Commonwealth to prevail in a sexually dangerous person proceeding. The Commonwealth therefore argues that, where both of the qualified examiners form the opinion that the petitioner

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is not sexually dangerous, it may rely on the contrary opinion of the CAB to supply the expert evidence required under the Bruno and Dube decisions. The Commonwealth relies mainly on the CAB's statutory function of "conduct[ing] annual reviews of and prepar[ing] reports on the current sexual dangerousness of all persons at the treatment center." See G. L. c. 123A, § 6A. The Commonwealth maintains that the CAB's statutory duties indicate that the Legislature meant the CAB to be an "expert body" that may, as an alternative to the qualified examiners, supply the required expert evidence of current sexual dangerousness. The Commonwealth also relies on the fact that §§ 6A and 9 explicitly state that the CAB report "shall be admissible" in discharge proceedings. G. L. c. 123A, §§ 6A, 9.

While, as indicated, the statute does not answer the question explicitly, we conclude that the petitioner's position is the more persuasive. "There can be no question that qualified examiners are central to the statutory scheme designed to evaluate the likelihood of a sex offender to reoffend." Commonwealth v. Bradway, 62 Mass. App. Ct. 280, 283-284 (2004). Within that scheme, the qualified examiners are established as independent, court-appointed experts. See Commonwealth v. Connors, 447 Mass. 313, 314 n.2 (2006). They are integral to nearly every step of the civil commitment process set out in G. L. c. 123A. See part 2, supra. Indeed, the qualified examiners are the starting point for the indefinite commitment process under G. L. c. 123A, §§ 13-14, and also for discharge proceedings under § 9. Whenever the qualified examiners perform their evaluations, they are required to file their reports and recommendations with the court. Id. It is significant that they are the only experts appointed by the court under c. 123A, and are also the only experts who must file their reports and recommendations with the court. Because of the central role of the qualified examiners in the commitment process, the Legislature has mandated them to possess certain minimum qualifications, i.e., that they be licensed psychologists or psychiatrists and that they have at least two years' experience in the diagnosis or treatment of sexually aggressive offenders. See G. L. c. 123A, § 1.

In addition, as previously noted, if the petitioner in a discharge proceeding refuses to be personally interviewed by examiners

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and lacks good cause for doing so, "such person shall be deemed to have waived his right to a hearing on the petition and the petition shall be dismissed upon motion filed by the [C]ommonwealth." G. L. c. 123A, § 9. When interviewed by the qualified examiners, the petitioner may interpose either the psychotherapist-patient privilege of G. L. c. 233, § 20B, or the privilege against self-incrimination, but doing so precludes the petitioner from offering the opinion of his own expert at trial. See Commonwealth v. Connors, supra at 318-320. The fact that a petitioner's refusal to be interviewed by a qualified examiner is effectively penalized is further support for the conclusion that the Legislature intended the examiners to play an essential role in the discharge process. [Note 10]

The statutory scheme therefore expressly sets the qualified examiners apart from other sources of expert evidence. Indeed, the role of the qualified examiners within that scheme persuades us that the Legislature intended them to serve in a capacity similar to that of a gatekeeper, deciding whether a person warrants commitment as a sexually dangerous person. Implicit in this view is the conclusion that, if both qualified examiners determine that a person is not sexually dangerous, the Commonwealth cannot meet its burden of proof. Assuming without deciding that an opinion of current sexual dangerousness included in a CAB report constitutes expert evidence of the kind that we have required in Commonwealth v. Bruno, supra, the CAB's opinion cannot serve as a substitute for those of the qualified examiners under the statutory scheme created by G. L. c. 123A. Allowing the Commonwealth to rely on other potential sources of expert testimony, such as the CAB, to prove the petitioner's current sexual dangerousness, in the face of the contrary opinions of both the appointed qualified examiners, would deny the examiners their place in the statutory scheme.

Contrary to the Commonwealth's argument, the fact that the CAB has been directed by the Legislature to "conduct annual reviews of and prepare reports on the current sexual dangerousness of all persons at the treatment center" does not by itself mean that the CAB's report alone can be sufficient evidence of

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current sexual dangerousness. Similarly, the mere fact that the statute specifically makes the CAB report admissible does not mean that the CAB report alone constitutes sufficient expert evidence. Indeed, the same sentence of G. L. c. 123A, § 9, makes many items admissible that would not in any sense supply expert evidence, such as the petitioner's court records and the department of correction's annual progress report.

4. Conclusion. We hold that, in order for the Commonwealth to proceed to trial in a discharge proceeding under G. L. c. 123A, § 9, at least one of the two qualified examiners must opine that the petitioner remains sexually dangerous. If neither of the qualified examiners is of the opinion that the petitioner is currently a sexually dangerous person, the Commonwealth cannot rely upon other sources of potential expert evidence, such as the CAB's opinion that the petitioner is sexually dangerous, to meet its burden of proof at trial. Because our decision is based on the integral role of the qualified examiners in the entire statutory scheme, the same reasoning applies as well to initial commitment proceedings brought pursuant to G. L. c. 123A, § 12 (b). [Note 11]

Judgment affirmed.