Opinion for the Court filed by Circuit Judge ROGERS.
An eleven-member jury found Sean Gin-yard and Kevin L. Jefferson guilty of possession with intent to distribute more than 50 grams of cocaine base and distribution of a detectable amount of cocaine base. The principal issue on appeal is whether the district court abused its discretion in dismissing, pursuant to Federal Rule of Criminal Procedure 23(b), the twelfth juror, who was a holdout. Although the United States has conceded error, the court is not bound by that concession on a question of law.
Orloff v. Willoughby,
I.
In a superseding indictment, Ginyard and Jefferson were charged with the unlawful distribution of “a detectable amount” of cocaine base, 21 U.S.C. §§ 841(a)(1) and (b)(1)(C), and possession with intent to distribute more than 50 grams of cocaine base, id. §§ 841(a)(1) and (b)(l)(A)(iii). Following the district court’s denial of motions by Ginyard and Jefferson for a mistrial, an eleven-member jury returned guilty verdicts, and the district court sentenced Ginyard to 179 months’ imprisonment and Jefferson to 120 months’ imprisonment. They appeal, presenting multiple claims of error. We need address only two of their contentions. *650 Only the first, a challenge to the dismissal of the twelfth juror, requires extended discussion.
The circumstances leading to the dismissal of the twelfth juror (“Juror 429”) are as follows. Jury deliberations began Friday morning, September 10, 2004. The following Monday, and again on Tuesday, the district court learned that the jury’s deliberations were “heated” and that the jury may have become “deadlocked” on one charge. 1 On Wednesday, September 15, the jury sent a note asking “How does the jury deal with a juror who has stated that they do not believe the testimony of several witnesses and does not offer reasons based on evidence as to why that testimony is not credible and can be ignored?” (Emphasis added.) At the bottom of the note was written “I was left out of this decision. Jury Number 429.” The district court responded by instructing the jury that “[mjembers of the jury must fully discuss in a respectful manner the disputed issues with all jurors and try, if possible, to reach a unanimous view.” On the same day, Juror 429 sent a note to the judge, stating “Hardship after Friday 9-17-04.”
On Thursday, the district court received three notes from the jury about scheduling problems. Two of the notes involved jurors who said they could not deliberate on Friday, and the district court accommodated them by deciding no deliberations would occur on Friday. The third note was from Juror 429. The district court judge stated Juror 429’s note was “harder to decipher,” but indicated that “he’s not able to continue after Friday because of a job opportunity related to some kind of a rehab program that he is involved in.” Although the prosecutor understood Juror 429 to state he was unavailable after Friday, defense counsel read the note to invite the district court to contact his counselor if need be.
The district court inquired whether any counsel would oppose proceeding on Monday with eleven jurors, pursuant to Rule 23(b), noting the time and effort already expended by the jury. Defense counsel objected, and suggested Juror 429 be questioned about his availability and the possibility of working around his schedule. The district court advised counsel that she did not want to speak to the juror’s counselor — “[i]t brings too many others in, it complicates matters unduly, it raises a question of tainting because his counselor might say something to him.” Shortly thereafter another note from Juror 429 arrived, requesting a response to his earlier note. The district court ordered that Juror 429 be brought to the courtroom in order to determine whether he would be available the following week.
Juror 429 told the district court judge that he was hoping to get a job through a program in which he was enrolled and if he remained in jury deliberations the program might give the job to someone else. The juror advised that he had spoken to his counselor the day before (Wednesday) to inform him about his jury duty, but stated “that do[es]n’t mean they’re going *651 to hold the position for me.” The juror told the judge that a specific position was being held for him and proceeded to describe it. The judge asked the juror, “[d]o you have any reason to think that if you told your counselor that we were going to deliberate on Monday, that he could manage to hold the job open for you for a couple of days, or do you think that is not a realistic possibility?” The juror’s answers included the following statements: “Well, I think if I gave him something concrete to look for, like you said, a couple days, maybe yes ... ”, “a couple of days, yes, but anything after that ... ”, and finally “I just want to let you know, Judge, I think that they will give me a couple of days, maybe Monday, Tuesday, but I can’t expect them to hold it all week or as long as the trial might go.” The judge then commented, “I do understand that. I very much know how much people need jobs.”
The district court decided to dismiss Juror 429 for “good cause shown” at the end of the day (Thursday). Defense counsel had argued that the juror’s responses indicated that he could be available until Monday or Tuesday and that a letter from the district court to the juror’s counselor might help the situation. The prosecutor urged, however, that the juror be released rather than pushed in one direction or the other and that the trial should proceed with eleven jurors on Monday. The district court found: first, “there are just too many uncertainties about next week”; second, the juror had said his “cutoff was actually yesterday [Wednesday],” and “that today was pushing it” and he thought that the trial would be over today; third, “[t]here are no guarantees that they would hold the job until Monday and/or Tuesday”; and fourth, that even if the juror were available Monday and Tuesday, allowing him to continue deliberation would “impose[ ] an artificial deadline and an artificial pressure that is inappropriate.”
Early Thursday evening, after the district court told Juror 429 he would be excused at the end of the day, the deputy marshal informed the court that just before 5 p.m. he overheard Juror 429 “screaming that he wanted a note sent out to the judge stating that the jury was hopelessly deadlocked.” Just before 5 p.m., there was a knock at the door and Juror 429 handed the marshal a note that stated “We, the jury, are hopelessly deadlocked. The foreman refused to submit. The decision was made at 4:30.” The note was signed “429.” The district court stated that “we know probably that [Juror 429] is the person who wasn’t believing certain police officers.” Thereafter, the district court implemented its decision to dismiss the juror. The following Monday, the first day the jury reconvened with only eleven members, it returned guilty verdicts against appellants. The district court subsequently denied defense counsel’s renewed motions for a mistrial and motions for a new trial.
II.
Appellants challenge the dismissal of the twelfth juror on the grounds that it violated their Sixth Amendment right to conviction by a unanimous jury and that the district court abused its discretion in dismissing Juror 429 for “good cause” under Federal Rule of Criminal Procedure 23(b). On appeal, the United States has conceded both propositions and agrees that appellants are entitled to a new trial. “This Court, of course, is not bound to accept the Government’s concession that the courts below erred on a question of law.”
Orloff,
The Sixth Amendment to the United States Constitution guarantees the right to a unanimous jury verdict in federal criminal cases,
Essex,
Contrary to the views of the parties,
Brown,
Federal Rule of Criminal Procedure 23(b) provides that
(1) In General. A jury consists of 12 persons unless this rule provides otherwise. (2) Stipulation for a Smaller Jury. At any time before the verdict, the parties may, with the court’s approval, stipulate in writing that: (A) the jury may consist of fewer than 12 persons; or (B) a jury of fewer than 12 persons may return a verdict if the court finds it necessary to excuse a juror for good cause after the trial begins. (3) Court Order for a Jury of 11. After the jury has retired to deliberate, the court may permit a jury of 11 persons to return a verdict, even without a stipulation by the parties, if the court finds good cause to excuse a juror.
Rule 23 incorporates the “venerable common law tradition” of a twelve-member jury,
United States v. Araujo,
Under Rule 23(b), “when a district court decides, without the agreement of the parties, to permit an eleven-member jury to deliberate to a verdict, two distinct questions are presented: first, whether the court had [good] cause to excuse the twelfth juror, and second, whether the district court was correct in allowing the bob-tailed jury to continue rather than declaring a mistrial.”
Araujo,
Both the command of the Sixth Amendment and this court’s precedent on Rule 23(b) require a searching inquiry in order to determine a juror’s continuing availability. Even when a juror is not a holdout, the district court’s duty of inquiry extends beyond what might otherwise appear to be reasonable inferences from known facts when uncertainties about the juror’s continuing availability persist. In
Essex,
The presence of a holdout lends heightened significance to the district court’s duty of inquiry. Our holding in
Brown,
A review of the record indicates that “the precise circumstances” of Juror 429’s unavailability were never determined by the district court. Although “ma[king] [some] attempt to learn the precise circumstances” of the juror’s hardship,
Patterson,
*655 The district court’s explanation that it did not wish to involve additional persons reflected an understandable reluctance to complicate the circumstances but it does not address why the juror could not contact the counselor in order to obtain a better understanding of how long his job could be held. Even assuming this explanation would be sufficient where the juror is not a holdout, in light of the juror’s holdout status, the district court could not reasonably ignore the fact that the counselor appeared to be the best source for resolving the uncertainty about the juror’s continuing availability without jeopardizing his opportunity for a job. Likewise, the district court could not reasonably fail to explore other options. Defense counsel had suggested that the district court send a letter to the counselor; the district court did not reject this suggestion as an option, but, for reasons not explained, did not pursue it either. Defense counsel also suggested the option of working around the juror’s schedule. The district court did not pursue this idea with the juror or explain why it did not.
Finally, the district court’s finding that it would not matter if the juror would be available one or two days of the following week because it would be inappropriate to impose an “artificial” deadline on the twelve-member jury did not eliminate the need for further inquiry regarding the holdout juror’s job situation. Although a reasonable concern stemming from avoiding inappropriate interference with jury deliberations, as the events of Thursday evening illustrated, this concern did not prevent the district court from deciding to discharge the holdout juror after Thursday’s deliberations. The record contains no indication that the remaining jurors believed that Juror 429 would remain after Thursday’s deliberations were completed; the district court did not instruct the juror to conceal this information. Yet the district court did not explain how a later deadline would be different or less “artificial” than the more imminent Thursday deadline.
In light of the reasonable options presented to the district court by the juror and defense counsel, and others it might have devised, the district court was obliged to make some further effort to resolve the uncertainty about the risk of loss of the holdout juror’s job in order to find “good cause” necessitated the juror’s dismissal. Such efforts might involve additional conversations with the juror,
see, e.g., Samet,
Accordingly, we vacate the judgments of conviction and remand the case to the district court for a new trial. In light of the remand, we do not address appellants’ other challenges to their convictions, except to note, given the likelihood of a new trial, that any error in admitting prior crimes evidence under Federal Rule of Evidence 404(b) was harmless in light of the overwhelming nature of the government’s evidence, which included repeated drug purchases by undercover police officers and expert chemical analyses of the
*656
drugs purchased.
See United States v. Crowder,
Notes
. On Monday, September 13, Juror 2 was dismissed for reasons not relevant to this appeal and replaced the following day with one of two available alternates. When questioned by the district court about her “feelings about deliberating,” Juror 2 remarked that "[i]t is getting heated. And we're not getting anywhere.” On Tuesday afternoon, the jury sent its first note to the district court, asking: “If we are deadlocked with fundamental differences on one charge, how should we proceed? Should we discuss other charges?” The district court responded with a note stating "You should proceed, and discuss the other charge. You are free to return a verdict on either charge when you reach a unanimous decision.”
. The Advisory Committee’s Notes explain that in amending the rale in 1983 to provide discretion for the district court to dismiss a deliberating juror, the amendment
addresses a situation which does not occur with great frequency but which, when it does occur, may present a most difficult issue concerning the fair and efficient administration of justice. This situation is that in which, after the jury has retired to consider its verdict and any alternative jurors have been discharged, one of the jurors is seriously incapacitated or otherwise found to be unable to continue service upon the jury. The problem is acute when the trial has been a lengthy one and consequently the remedy of mistrial would necessitate a second expenditure of substantial ... resources. See, e.g., United States v. Meinster,484 F.Supp. 442 (S.D.Fla.1980), aff'd sub nom. United States v. Phillips,664 F.2d 971 (5th Cir.1981) (juror had heart attack during deliberations after "well over four months of trial”); United States v. Barone,83 F.R.D. 565 (S.D.Fla.1979) (juror removed upon recommendation of psychiatrist during deliberations after "approximately six months of trial”).
It is the judgment of the Committee that when a juror is lost during deliberations, especially in circumstances like those in Barone and Meinster, it is essential that there be available a course of action other than mistrial ....
Fed.R.Crim.P. 23 Advisory Committee's Notes to 1993 amendments.
