On December 30, 1980, the defendants Daniel J. Curtis and Mark J. Giglio were convicted by a jury of murder in the second degree in the beating death of Michael Robinson. The defendants were sentenced to life imprisonment. The defendants appeal from these convictions claiming that error was committed by the trial judge in (1) failing to grant immunity to a defense witness; (2) ruling that if the defendants testified at the hearing on their motion to have a defense witness immunized they would thereby waive their Fifth Amendment privilege against self-incrimination; and (3) failing to suppress a statement made by the defendant Mark Giglio after he was in the custody of the police. Additionally, the defendants appeal from the denial by a single justice of this court of their petition under G. L. c. 211, § 3, requesting a grant of immunity to a defense witness. We granted the defendants’ application for direct appellate review of their convictions and consolidated their appeals with the appeal from the single *639 justice’s decision. We conclude that there was no error and affirm the convictions.
We summarize the evidence and the proceedings below relevant to these appeals. On the evening of July 14, 1980, Michael Robinson, a sailor assigned to the U.S.S. Edson, a ship under repair in the General Shipyard in East Boston, was beaten by a group of East Boston youths on Border Street in a brawl between some sailors and the youths. Robinson died eight days later from head injuries inflicted in that beating. The incident which precipitated the fray is a matter of dispute. Lenny T. Curtis, the brother of the defendant, Daniel Curtis, testified at the trial that on that evening he had been jostled and struck by one of the black sailors sitting outside the General Shipyard fence when he refused to give him a cigarette. A sailor who testified stated that Curtis walked by undisturbed by the sailors.
Curtis testified that after this alleged attack he told his friend, Eddie Colon, to “[g]o get my two brothers.” Colon rode his bicycle toward the Central Square area of East Boston and saw the defendant, Mark Giglio, and two other friends, Michael Brulport and Joseph DeDominicis. Colon told them that “Lennie needs some help down there. Some sailors [are] bothering him.” The four youths proceeded back to the place where the sailors were sitting.
The youths approached the sailors and began making abusive comments. 2 Some white sailors, including Michael Robinson, joined the other sailors and told the youths to leave the sailors alone. At this point, a red Cadillac automobile driven by Louis Lepore arrived at the scene and stopped. Daniel Curtis was a passenger in this car. Giglio ran over to the car and told Curtis that his brother Lenny Curtis had been beaten “by those sailors over there.” According to Giglio’s testimony, some of the youths then ran over to Lepore’s car and began taking bats from the trunk.
*640 Sensing imminent trouble, the sailors began walking back to the shipyard. A gang of youths began chasing them. While fleeing, Michael Robinson either tripped and fell or was pushed to the ground. Two sailors, Seaman Tony Webb and Petty Officer Rickie Brandford, testified that they saw a number of the youths attack Robinson with baseball bats and a bottle. During the attack, Seaman Webb concentrated on one assailant. Webb later identified Daniel Curtis as this assailant from a police photo identification book, and subsequently repeated this identification at a District Court hearing, and at the trial. Eddie Colon, who had originally summoned the other youths, testified that he saw Mark Giglio strike Robinson with a bottle while Robinson was on the ground.
After attacking Robinson, the youths retreated and Webb and Brandford returned to help Robinson. The sailors found Robinson unconscious and bleeding from his head. The police and an ambulance arrived shortly thereafter and Robinson was taken to Massachusetts General Hospital. He was examined there by Dr. Tagi, the chief resident of neurosurgery. Dr. Tagi testified that the victim had sustained severe head injuries resulting in a minimum of ten fractures which were caused by at least five “very considerable” blows. The object that caused the injuries, the doctor stated, “was a blunt instrument wielded with an awful lot of force . . . many times.” These injuries, he stated, were consistent with those that could be inflicted with a baseball bat or a full bottle.
After a police investigation, the defendants Curtis and Lepore were called to the East Boston police station, where they both made statements. On July 22, Michael Robinson died of the injuries he sustained in the beating. The next day Curtis and Lepore were arraigned in the East Boston District Court for their involvement in the murder.
On August 7, 1980, a Suffolk County grand jury indicted Daniel J. Curtis, Mark J. Giglio, and Louis Lepore for murder in the first degree of Michael Robinson. On December 8, 1980, Giglio filed a substituted motion to sup *641 press statements he made to the pólice on the grounds that they were obtained in violation of his Miranda rights and that any waiver of his rights which he had made was not voluntary. The judge denied this motion.
Prior to the start of the trial the defendants moved for the judge to order the prosecutor to seek a grant of immunity from prosecution, under the provisions of G. L. c. 233, §§ 20D and 20E, for Joseph DeDominicis, a prospective defense witness who had been present at the brawl. In support of this motion the defendant Curtis filed an affidavit stating that he saw another person named Richard Mazzone hit the victim with a baseball bat and that DeDominicis was in a position to observe this. The Commonwealth opposed the motion on the ground that it would interfere with an ongoing “John Doe” grand jury investigation into the possible participation of others in this crime. DeDominicis had been called before this grand jury and had invoked his privilege against self-incrimination.
At the hearing on this motion, DeDominicis again asserted his Fifth Amendment privilege on the advice of counsel. DeDominicis’ lawyer told the judge that his client was seeking full transactional immunity from prosecution prior to his waiving his privilege against self-incrimination. Lepore’s attorney on behalf of all the defendants then recited an offer of proof to the judge as to what DeDominicis would testify if granted immunity. Lepore’s attorney stated that DeDominicis would testify to being present at the incident and seeing Richard Mazzone club the victim twice with a baseball bat. After hearing this offer of proof, the judge denied the motion.
On December 11, the defendants requested a single justice of this court to grant immunity to DeDominicis under G. L. c. 211, § 3. 3 After a hearing, the single justice *642 reserved his decision until the Commonwealth’s cases were presented at the trial so that he would be better able to determine whether the testimony of the witness would be necessary.
After the prosecution had completed its cases, the defendants filed another motion with the trial judge asking him to grant judicial immunity for DeDominicis under his “inherent” power to assure the defendants a fair trial. The judge conducted a voir dire hearing on this motion in which DeDominicis again claimed his Fifth Amendment privilege. The judge then met privately with the witness and his counsel. DeDominicis agreed to allow his attorney to relate to the judge what the substance of his testimony would be if he were granted immunity. At this conference the witness’ counsel stated that DeDominicis would testify that he was able to see, at least during a portion of the fight, that Curtis and Giglio did not have weapons. Further DeDominicis would testify that he did not see who hit the victim but that he did see Mazzone standing over the victim with a bat in his hand. The judge denied this motion and ordered the transcript of the lobby conference impounded as well as his findings and rulings based on it.
Subsequently, the defendants renewed their petition before the single justice. The impounded material was delivered to the single justice, who examined it. He denied the defendants’ petition. The impounded material eventually was released to the defendants’ attorneys on June 7, 1982, by order of a single justice of this court.
1. The defendants’ motions to immunize the witness DeDominicis. The defendants appeal from the denial by the judge of their motions for him either (a) to order the Commonwealth to seek a grant of immunity under G. L. c. 233, §§ 20D and 20E, for the prospective defense witness DeDominicis, because the witness would assert his Fifth Amendment right against self-incrimination if called to testify at trial or (b) to fashion a “judicial immunity” himself for the witness to preserve the defendants’ rights under the Fifth, Sixth, and Fourteenth Amendments to the *643 United States Constitution, and art. 12 of the Declaration of Rights of the Massachusetts Constitution. Although these motions seek the same result, they are based on distinct statutory and constitutional grounds and we shall discuss them separately.
a. The judge properly denied the defendants’ motion to order the prosecutor to seek a grant of immunity under the statute. G. L. c. 233, §§ 20C and 201. The statutory scheme provides no mechanism for a judge of the Superior Court to order the prosecutor to seek a grant of immunity. Rather, the only provision of the statute giving the Superior Court power to grant immunity provides that a “justice of the superior court, may, at the request of the attorney general or a district attorney, issue an order granting immunity to a witness,” provided that the other requirements of the statute are met (emphasis added). 4 G. L. c. 233, § 20F, inserted by St. 1970, c. 408.
b. The defendants’ claim that they have a constitutional right to have a defense witness immunized presents a novel issue to this court. 5 6The defendants contend that by denying their motions the judge deprived them of their rights to compulsory process, to a fair trial, and to due process of law under the Sixth and Fourteenth Amendments, and art. 12 of the Declaration of Rights.
This argument is predicated first on the defendants’ contention that the compulsory process clause of the Sixth Amendment, applicable to the States under the due process clause of the Fourteenth Amendment,
Washington
v.
Texas,
Those courts which have considered such claims for defense witness immunity have almost uniformly rejected them. See, e.g.,
United States
v.
Turkish,
Here, the prosecutor clearly established that the Commonwealth had a strong interest in opposing a grant of immunity. The prosecutor opposed the motions of the defendants on the ground that such immunization would interfere with an ongoing “John Doe” grand jury investigation into the incident. DeDominicis had already been called before this grand jury and had invoked his Fifth Amendment rights there. Since DeDominicis had been present at the incident and, in fact, had accompanied Giglio to the scene, he was certainly a potential suspect in the continuing investigation. In these circumstances, we conclude that the judge properly denied the defendants’ motions.-
*646
We recognize that the assertion by a witness of his Fifth Amendment right may in some cases hinder a defendant’s ability to present his most effective defense. However, we do not believe that this potential problem justifies creation of a general doctrine of judicial immunity for defense witnesses. As we have previously stated, “the constitutional right of the accused to call witnesses is not without limit.”
Commonwealth
v.
Blaikie,
2.
The denial by the single justice of the defendants’ petition for witness immunization.
The defendants appeal from the single justice’s denial of their petition that he immunize the witness DeDominicis through use of this court’s superintendency power under G.L.c. 211, §3. The standard of review for orders entered by the single justice under G. L. c. 211, § 3, is that such orders shall not be disturbed absent an abuse of discretion or error of law.
Cefalu
v.
Globe Newspaper Co.,
*647
3.
The judge’s refusal to allow pretrial testimony by the defendants without waiver of their Fifth Amendment rights.
At the pretrial hearing on the defendants’ motion to immunize the prospective defense witness DeDominicis, the judge ruled that if the defendants testified they would waive their Fifth Amendment rights in regard to this testimony. The defendants contend that this ruling violated their rights to due process of law under the rationale of
Simmons
v.
United States,
4. Giglio’s motion to suppress his statements. The defendant Giglio contends that the judge committed reversible error in denying his motion to suppress the statements he made to the police on the day he was arrested. The defendant in his motion and an accompanying affidavit argued that his waiver of his Miranda rights was involuntary because his will was overborne by the threats of a third party, Glen Curtis, a brother of the defendant Daniel Curtis.
After holding a suppression hearing, the judge found the following facts. On July 22, 1980, Glen Curtis went to *648 Giglio’s house and told Giglio that he should turn himself in to the police because “[m]y brother is not going to take the ‘rap’ alone.” Giglio, accompanied by Curtis, then went to the East Boston police station, entered alone, and asked the police if they had any outstanding warrants for him. Giglio left the police station after being informed that no warrant had been issued. He informed Curtis of this but Curtis urged Giglio to surrender himself anyway. Giglio refused and they walked a short distance down the street together before separating.
Later that evening Curtis saw Giglio again and in anger allegedly stated that if he had a gun he would “kill all of them,” referring to the youths who had been involved in the incident. The judge found that if this statement were made, it was not done in the context of a specific threat directed against Giglio and that this statement did not instill fear in Giglio for his personal safety. Giglio then returned to his home.
When Giglio entered his home, he told his mother that he wanted a lawyer and she telephoned an attorney who telephoned the police and he also asked whether any arrest warrants for Giglio had been issued. The police stated that there were none but that they wanted to speak with his client. The lawyer arranged to bring Giglio into the station the next day at 3 p.m. The next day, however, Giglio first went to the arraignment of Daniel Curtis and Louis Lepore. Following the arraignment, Giglio voluntarily sought out Detective Charles Gleason who, on finding out that Giglio wished to discuss the incident, fully informed the defendant of his Miranda rights before speaking with him. Gleason also asked the defendant if he had a lawyer. When Gleason discovered that Giglio was to meet his lawyer at 3 p.m. that day, Gleason offered to wait until then to speak to Giglio and informed Giglio that, depending on what was said, Giglio might be charged with murder. Giglio declined this offer to wait and insisted on speaking with Gleason then. Only after the defendant had indicated that he understood his rights and did not want to wait for his lawyer did Glea *649 son continue their talk. After the defendant made an initial inculpatory statement Gleason decided to transport Giglio to the police headquarters for a more formal interrogation. Before leaving the court house Gleason asked Giglio if he would like to make a telephone call but Giglio said it was unnecessary. The interview at the police headquarters was conducted by an assistant district attorney. Prior to conducting this interrogation the assistant district attorney again explained to Giglio his constitutional rights and again offered to wait for Giglio’s attorney. Giglio insisted on making his statement and the formal interrogation proceeded and resulted in the statements Giglio now seeks to suppress.
After hearing the witness’ testimony and listening to the tape recording made of this interrogation, the judge concluded that Giglio fully understood his Miranda rights at the time he made the statements, understood that he could wait until his lawyer arrived, and also understood that he could stop answering any question until his lawyer arrived. The judge further found that the defendant’s statements to the police were given voluntarily and that he had intelligently and voluntarily waived his Miranda rights. The judge concluded that Giglio was not so disturbed by threats from Glen Curtis that he was unable to understand his Miranda rights or was coerced by this third party into making inculpatory statements.
In reviewing a trial judge’s conclusion that a defendant voluntarily waived his Miranda rights, the judge’s subsidiary findings are to be accepted if they are warranted by the evidence.
Commonwealth
v.
Tavares,
*650
Our review of the judge’s rulings reveals no error. The defendant voluntarily approached the officer to make a statement. As the Supreme Court of the United States has stated, “There is no requirement that police stop a person who enters a police station and states that he wishes to confess to a crime .... Volunteered statements . . . are not barred by the Fifth Amendment and their admissibility is not affected by our holding today.”
Miranda
v.
Arizona,
The defendánt’s arguments that the “threats” of Glen Curtis coerced him into making these statements is not supported by the evidence. While it is true that a “conviction founded in whole or in part on statements which are the product of physical or psychological coercion deprives the defendant of his right to due process of law under the Fourteenth Amendment and, as a consequence, is invalid” and “[tjhese principles apply even though the statements were extracted by private coercion, unalloyed with any official government involvement,”
Commonwealth
v.
Mahnke,
5. In summary, we find no error in any of the rulings below from which the defendants have appealed and we decline to disturb their convictions. Additionally there was no error in the decision of the single justice on the defendants’ petition.
Judgments affirmed.
Notes
Testimony was presented at the trial that some of the youths yelled at the black sailors, “Go home, niggers. We don’t want you around here.”
At the hearing before the single justice all the parties agreed that the immunity request was beyond the scope of G. L. c. 233, §§ 20C and 201, which regulates grants of immunity sought by the Attorney General or a district attorney. See generally
Grand Jurors for Middlesex County for the Year 1974
v.
Wallace,
These requirements include that a single justice of the Supreme Judicial Court has previously issued an order granting immunity. G. L. c. 233, § 20E.
The defendants did not state in their motion or in their argument here whether they sought use immunity or transactional immunity for the witness. For the purpose of this appeal we shall assume that the defendants sought only the more limited grant of use immunity.
In pertinent part, the Sixth Amendment provides: “[T]he accused shall enjoy the right... to have compulsory process for obtaining witnesses *644 in his favor . . . Article 12 provides that “every subject shall have the right to produce all proofs, that may be favorable to him . . . .”
We note that the defendants suffered no prejudice from this ruling as the judge allowed their attorneys to present the gist of their proposed testimony through an offer of proof.
