Appellant George Lombardozzi was charged in four counts of a 19-count indictment. Count 7 charged him with conspiring to make an extortionate extension of credit in violation of 18 U.S.C. § 892; Count 8 charged him with the substantive offense of making an extortionate extension of credit in violation of 18 U.S.C. § 892; Count 9 charged him with conspiring to use extortionate means to collect on an extension of credit in violation of 18 U.S.C. § 894; and Count 10 charged him with using extortionate means to collect on an extension of credit in violation of 18 U.S.C. § 894. The four charges all stemmed from loans amounting to approximately $100,000 that Lombardozzi made in 1998 and 1999. A jury convicted Lombar-dozzi of three of the four charged offenses. They acquitted him of Count 10, the substantive offense of using extortionate means to collect on an extension of credit. His conviction was based in part on evi
*66
dence presented in the form of a co-defendant’s plea allocution. Following the trial, the United States Supreme Court decided
Crawford v. Washington,
Lombardozzi raises a number of challenges to his conviction. He argues that the evidence presented at trial was insufficient to support his conviction; that the admission of his co-conspirator’s plea allo-cution violated his Sixth Amendment Confrontation Clause rights; that the district court improperly admitted expert testimony and evidence of prior bad acts; and that the government presented perjured testimony to the grand jury.
For the reasons set forth below, the judgment of the district court (Leisure, J.) is affirmed.
Background
Lombardozzi, an alleged member of the Gambino La Cosa Nostra Crime Family, first met Henry Leung in 1994 at a restaurant that Leung managed in Manhattan. Leung was planning to open a new restaurant and needed a loan to be able to do so. One of Leung’s frequent customers was Daniel Marino, whom Leung knew was engaged in racketeering and loansharking or, as Leung described him, a “wiseguy .... involved with the mob.” Leung asked Marino for a $50,000 loan. In response, Marino introduced Leung to Lom-bardozzi who agreed to provide him with the loan. Leung was told that Lombar-dozzi was the guy who “takes care of the money.” Frank Isoldi, another member of “Marino’s group” and Lombardozzi’s co-defendant, subsequently met Leung in the restaurant’s wine cellar and gave him a brown paper bag containing $50,000 in cash. Thereafter, Leung made repayments to William Scotto, whom he described as the “muscle” for the group. The loan was eventually paid off and is not the subject of the current indictment.
In 1998, Leung sought an additional $20,000 loan from Marino’s group. Because Marino was incarcerated, Lombar-dozzi and Isoldi agreed to loan Leung the money. Again, in the wine cellar of Leung’s restaurant, Isoldi delivered to Leung a paper bag containing the money. The terms of the loan originally required repayment in the amount of $1,500 per month for two years, but Scotto subsequently informed .Leung that “the old man” — whom Leung understood to mean Lombardozzi — had changed the terms and increased the payments to $2,500 per month for two years.
Shortly thereafter, Leung again borrowed money from Lombardozzi and Isol-di, this time for both himself and his friend Michael Wong. He originally asked for $25,000 ($20,000 for Wong and $5,000 for himself), but the principal amount of the loan eventually ballooned to $100,000. Leung was required to pay two points, or two percent, interest each week (104% per year), which amounted to $2,000 per week in interest in addition to the $100,000 principal.
Given the exorbitant payments required, Leung had to borrow money from other loansharks just to pay his debt to Lombar-dozzi in a timely manner. The interest on the additional loans was 250% — more than twice what he was paying Lombardozzi. In addition, Leung sold many of his personal possessions, moved to a less expensive residence, and borrowed money from friends. Eventually, Leung was able to *67 renegotiate the terms of the loans with the other loansharks, although he never sought to do so with Lombardozzi.
The FBI approached Leung in early 2001 seeking information about his dealings with Lombardozzi, but Leung denied knowing him. Leung told Isoldi and Scot-to about the FBI’s inquiry, and they gave him the phone number of a lawyer. Despite the inquiry, the collections continued until Lombardozzi was arrested in May 2002.
In September 2002, Isoldi pleaded guilty to Count 9 of the indictment, under which he was charged as a co-defendant of Lom-bardozzi with conspiring to use extortionate means to collect on the extension of credit made to Leung. In connection with his Rule 11 guilty plea proceedings, in response to Judge Leisure’s questioning, Isoldi allocuted to the relevant facts underlying that charge. Then, prior to the commencement of Lombardozzi’s trial in April 2003, the district court granted a motion in limine allowing the government to introduce a redacted version of Isoldi’s plea allocution as evidence against Lombardoz-zi. Judge Leisure instructed the jury that it was to consider the redacted plea allocution only as evidence of the existence of the conspiracy charged in Count 9 of the indictment and the nature of Isoldi’s role in that conspiracy. Following a nine-day trial, in which the government’s evidence against Lombardozzi consisted of, inter alia, Isoldi’s plea allocution, intercepted telephone calls, Leung’s testimony, and expert testimony, the jury convicted Lom-bardozzi on Counts 7, 8, and 9. It acquitted him of the substantive offense of using extortionate means to collect on an extension of credit (Count 10). The district court sentenced Lombardozzi principally to 41 months’ imprisonment, the lowest sentence possible within the applicable Sentencing Guidelines range.
Discussion
1. The Government Presented Sufficient Evidence at Trial
A. Standard of Review
Lombardozzi challenges the sufficiency of the government’s evidence with respect to two elements of the crimes for which he was convicted. The first is the victim Leung’s understanding that the loans he received were extortionate, an essential element for conviction under § 892. The second is Lombardozzi’s own state of mind with respect to the extortionate nature of the loans and their collection, an essential element for conviction under both §§ 892 and 894.
“As we have repeatedly observed, a defendant raising an appellate challenge to the sufficiency of the evidence supporting a conviction faces a ‘heavy burden,’ because we must review the evidence in the light most favorable to the government, drawing all reasonable inferences in its favor.”
United States v. Gaskin,
B. Statutes Under Which Lombardozzi Was Convicted
Lombardozzi was convicted of conspiring to make and making extortionate
*68
extensions of credit in violation of 18 U.S.C. § 892 and conspiring to use extortionate means to collect on an extension of credit in violation of 18 U.S.C. § 894. Section 892(a) prohibits “makftng] any extortionate extension of credit, or conspiring] to do so.” An “extortionate extension of credit” is defined as “any extension of credit with respect to which it is the
understanding of the creditor and the debtor at the time it is made
that delay in making repayment or failure to make repayment could result in the use of violence or other criminal means to cause harm to the person, reputation, or property of any person.” 18 U.S.C. § 891(6) (emphasis added). The states of mind of the defendant and the debtor are, therefore, both essential elements of the crime of making extortionate extensions of credit under § 892.
1
See United States v. Allen,
Similarly, 18 U.S.C. § 894(a) prohibits “knowingly participating] in any way, or conspir[ing] to do so, in the use of any extortionate means (1) to collect or attempt to collect any extension of credit, or (2) to punish any person for the nonre-payment thereof.” “[E]xtortionate means” is defined as “any means which involves the use, or an express or implicit threat of use, of violence or other criminal means to cause harm to the person, reputation, or property of any person.” 18 U.S.C. § 891(7). Unlike § 892, proof of a victim borrower’s state of mind is not an element of this offense.
See Natale,
C. Whether the Evidence Was Sufficient to Prove Leung’s State of Mind
Lombardozzi argues that the government’s evidence was insufficient to prove Leung’s requisite state of mind. We disagree. “[T]he inquiry [into the victim borrower’s state of mind] should be whether the record as a whole discloses a reasonable basis upon which the borrower[ ] might have predicated [his] fear that default or delinquency might result in harm to [himself] or [his] familfy].”
Annoreno,
First, the jury could infer from several portions of Leung’s trial testimony his understanding that violence or criminal harm would result if he defaulted on his loans. Leung testified that he was introduced to Lombardozzi through Marino, someone he knew was a “wiseguy .... involved with the mob,” who engaged in racketeering and loansharking. See
United States v. Modern,
Leung’s understanding that extortionate means would be used to collect on any default can also reasonably be inferred from his testimony regarding the terms of the loan, i.e., 104% interest, the delivery of the money in a paper bag in Leung’s wine cellar, and his statement to FBI Agent Christopher Bryceland that Isoldi acted as a “runner” for Lombardozzi (giving Leung the actual cash and collecting payments on Lombardozzi’s behalf).
See Annoreno,
Finally, the testimony of Agent Bryce-land and tape-recorded conversations between Isoldi and Leung constitute additional evidence from which the jury could infer Leung’s understanding that delays in making payments could result in violence or other criminal harm. Specifically, Agent Bryceland testified that Leung told him that Leung believed Lombardozzi was involved with organized crime and that he would be dead if he talked to the FBI. Leung also informed Agent Bryceland that he was concerned for his safety and that Isoldi and another associate “have muscle and ... would do harm to him personally or to his restaurant if he did not make timely payments.” In a telling exchange with Agent Bryceland, Leung initially denied knowing either Lombardozzi or Isoldi and lied about the loans, likely out of fear for his own safety, and from the taped conversations in evidence, the jury could infer that Leung was scared and nervous.
See, e.g., United States v. Wills,
Based on the foregoing proof and reasonable inferences that could be drawn from it, the evidence was sufficient for the jury to conclude that Leung understood that delay or default in making repayment could result in violence or other criminal harm.
D. Whether the Evidence Was Sufficient to Prove Lombardozzi’s State of Mind
With respect to Lombardozzi’s state of mind, under § 892 the government had to prove that at the time Lombardozzi caused the loan to be made to Leung, Lombardozzi had an understanding that if Leung delayed in making, or failed to make, repayment, Leung could be harmed. Under § 894 the focus is on the defendant’s actions and intentions with respect to the collection activity. The government had to establish that, in collecting the loans, Lombardozzi intended, as the result of his actions, to cause Leung to fear he would suffer harm to his person, reputa *71 tion, or property. Lombardozzi argues that the government did not provide evidence sufficient to prove that he had the required state of mind. We disagree.
Lombardozzi’s state of mind, much like Leung’s, can reasonably be inferred from the terms of the loans that he extended. Indeed, a jury may permissibly infer that someone who makes an unsecured loan and charges exorbitant interest rates surely intends to back up the loan with threats of violence.
See United States v. Polizzi,
Taped conversations between Leung and Isoldi also shed light on Lombardozzi’s state of mind. The jury was entitled to infer from those conversations that Leung was afraid; that Isoldi, as a coconspirator, was speaking for Lombardozzi; and that instilling such fear was Lombardozzi’s intent. For example, in one such conversation, occurring at a time when Leung was having trouble making payments, Isoldi told him “I think I’m going to have to make an appointment for you to see [Lom-bardozzi] in person, because it’s going to get out of hand.” Isoldi also threatened to bring Lombardozzi to the restaurant if Leung did not make his payments. Peter Perrotta, Isoldi’s associate, corroborated the details of the conversations. Perrotta testified that “[Isoldi] seemed very animated that [Leung] wasn’t ready to see [Lom-bardozzi], and basically said that [Lombar-dozzi] wasn’t going to be happy, and that he doesn’t want to have to send [Scotto].” From this evidence, a jury could reasonably infer that Lombardozzi intended to harm Leung if he did not pay, or at the very least that he intended Leung to fear harm, particularly considering the suggestion of sending Scotto — the group’s “muscle” — to see him.
E. Conclusion
For the reasons stated, there is sufficient evidence from which the jury could find that the government proved the requisite states of mind for Leung and Lombar-dozzi so as to sustain Lombardozzi’s convictions under 18 U.S.C. §§ 892 and 894.
*72 2. The Admission of Kenneth McCabe’s Expert Testimony was not Plain Error
A. The Expert Testimony of Kenneth McCabe
The government called Kenneth McCabe, a criminal investigator for the United States Attorney’s office for the Southern District of New York, as an expert who testified as to, inter alia, the general structure of La Cosa Nostra in New York and Lombardozzi’s affiliation with organized crime. On direct examination McCabe was asked whether he had an opinion as to whether Lombardozzi is affiliated with organized crime. McCabe answered, “Yes. George Lombardozzi is a soldier in the Gambino crime family.” Earlier in his testimony, in describing the general structure of organized crime, McCabe stated that “soldiers” are also known as “made” members. On cross-examination McCabe testified that his opinion regarding Lombardozzi’s affiliation with organized crime was based on conversations with cooperating witnesses and confidential informants, but added that he personally observed Lombardozzi’s activities approximately two dozen times since 1985. McCabe testified that during his surveillance he witnessed Lombardozzi having conversations with known organized crime figures and frequenting social clubs which McCabe identified as “meeting place[s] for organized crime members to socialize and commit planned crimes, collect monies.” Lombardozzi failed to object to the admission of McCabe’s testimony on Confrontation Clause grounds at trial.
Lombardozzi now argues on appeal that the admission of McCabe’s expert testimony was improper under, inter alia,
3
the Confrontation Clause of the Sixth Amendment because McCabe’s opinion, in effect, directly conveyed to the jury out-of-court testimonial statements of confidential informants and cooperating witnesses whom Lombardozzi never had an opportunity to cross-examine. In
Crawford,
the Supreme Court stated that the Confrontation Clause “does not bar the use of testimonial statements for purposes other than establishing the truth of the matter asserted.”
B. Standard of Review
Because Lombardozzi failed to preserve the issue, we review the admission of McCabe’s testimony under a plain error standard.
See United States v. Banks,
C. Analysis
i. Whether the error was “plain”
For an error to be “plain” it must be “clear” or “obvious,”
Olano,
Similarly here, McCabe suggests that he relied on a variety of sources in forming his opinion as to Lombardozzi’s affiliation with organized crime. While the out-of-court statements made by cooperating witnesses and relied upon by McCabe were almost certainly testimonial, and the confidential informants’ statements also may have been testimonial, the content of those statements was never revealed to the jury, and there is no indication of the extent to which McCabe relied on them. It is clear, however, that McCabe’s opinion as to Lombardozzi’s affiliation was fully supported by evidence that can in no way be considered testimonial, specifically, McCabe’s personal surveillance of Lom-bardozzi. A conclusion, therefore, that in opining that Lombardozzi was affiliated with organized crime McCabe was directly conveying to the jury out-of-court testimo
*74
nial statements — rather than merely applying his expertise to those statements— requires an inference not obvious or egregious enough to be correctable as plain error.
See Dukagjini,
In addition to allowing McCabe to testify that Lombardozzi is affiliated with organized crime, however, the district court allowed McCabe to testify that Lombar-dozzi is a “soldier” in the Gambino crime family, ruling that that evidence was relevant to show that Leung’s subjective beliefs about Lombardozzi’s debt collection practices were reasonable. Although McCabe’s opinion as to Lombardozzi’s actual rank in the crime family appears to have been based not on his own observations but on the inadmissible hearsay statements of others, and hence to have been excludable, as we explain below, we conclude that neither the admission of that part of his testimony, nor his testimony that Lombardozzi is affiliated with organized crime, affected Lombardozzi’s substantial rights.
ii The error did not ajfect Defendant’s substantial rights
“[A]n error affects a defendant’s substantial rights if it is prejudicial and it affected the outcome of the [case].”
Dukagjini
Lombardozzi’s affiliation with organized crime could be inferred, moreover, from other properly admitted evidence including, inter alia, Leung’s statement to an FBI agent that he believed Lombardozzi was connected to organized crime and Leung’s direct testimony that Lombardoz-zi lent him money on behalf of a person Leung knew to be affiliated with organized crime. With respect to McCabe’s testimony as to Lombardozzi’s specific rank as “soldier,” Leung’s subjective beliefs about Lombardozzi’s debt collection practices would have been reasonable even if Lom-
*75
bardozzi — known by Leung to be acting on behalf of Marino, a known organized crime figure — were merely affiliated with organized crime. Thus, the effect of the admission of McCabe’s testimony on the outcome of the case can only be characterized as uncertain and speculative.
See Dukagjini,
In sum, the admission of McCabe’s testimony did not cause the “miscarriage of justice” required under plain error analysis.
See Banks,
3. The Erroneous Admission of Isol-di’s Plea Allocution was Harmless
A The Plea Allocution and Limiting Instruction
The following portion of Isoldi’s plea allocution was introduced against Lombar-dozzi as evidence tending to prove the existence of a conspiracy to use extortionate means to collect on an extension of credit in violation of § 894, charged in Count 9 of the indictment, and Isoldi’s role in that conspiracy:
Q: Now, let’s turn to Count 9, which charges you with conspiracy to collect extensions of credit by extortionate means on debtor two. Tell me what you did.
A: Again, your Honor, I conspired with others to collect a loan from Mr. Leung and, again, Mr. Leung interpreted my words as a sign of threat.
Q: And as part of that agreement, did you do anything? What did you do? A: Basically, what I did was just call him and speak with him and ask him to pay his debt.
Q: And did you use means that were calculated to create fear in him?
A: Yes, I did.
Q: Fear that there would be physical harm if he didn’t pay, correct?
A: Yes.
Q: Let’s make that clear, Mr. Isoldi. You agreed with one or more other persons to do what you described to this particular victim, correct?
A: Correct, your Honor.
Q: There was an agreement with others to do what you understand to be an unlawful act?
A: Absolutely, your Honor.
Lombardozzi argues that this evidence constituted the only proof at trial that he had the requisite intent in conspiring to use extortionate means to ensure repayment of Leung’s loans, and absent the plea allocution statements, the jury could not *76 have found that he had that state of mind required under § 894. We disagree.
B. Standard of Review
The government concedes that in light of the Supreme Court’s decision in
Crawford,
the district court erred in admitting Isoldi’s plea allocution, and that Lombar-dozzi properly preserved for appellate review the question of whether the plea allo-cution was admitted in violation of the Confrontation Clause. The district court’s admission of the plea allocution is thus subject to harmless error review.
See United States v. McClain,
“[A]n otherwise valid conviction should not be set aside if the reviewing court may confidently say, on the whole record, that the constitutional error was harmless beyond a reasonable doubt.”
Delaware v. Van Arsdall,
In assessing an error’s likely impact on the jury, “the Supreme Court has found the following factors to be relevant ... (1) the overall strength of the prosecution’s case; (2) the prosecutor’s conduct with respect to the improperly admitted evidence; (3) the importance of the wrongly admitted testimony; and (4) whether such evidence was cumulative of other properly admitted evidence.”
Zappulla v. New York,
C. Analysis
“The essence of the [conspiracy] offense [under § 894] is that the conspirators entered into a scheme or plan to extort and committed an overt act in furtherance of that scheme or plan.”
United States v. Rizzo,
There can be no doubt that a conspiracy existed because Frank Isoldi pled guilty to being a member of the conspiracy. He pled guilty to agreeing with others to use threats of physical harm to collect from Leung, so to suggest that Lombar-dozzi was not a member of the conspiracy is absurd, and to suggest that Lom-bardozzi did not know that extortionate means were going to be used is also absurd. It would cut against all the evidence which you heard.
Although the government asserted in its summation that Isoldi’s plea allocution proves both that a conspiracy to extort
*77
existed and that Isoldi, as a member of the conspiracy, engaged in activity that meets the definition of extortionate means — two of the elements necessary to support Lom-bardozzi’s conviction on Count 9 — a review of the summation as a whole shows that the government placed little emphasis on Isoldi’s plea allocution.
See Reifler,
In that regard, the admissible evidence offered by the government to establish the conspiracy charged in Count 9 was overwhelming. At trial, Leung testified that he asked Marino for a loan; Marino introduced him to Lombardozzi; Lombardozzi agreed to provide Leung with the money; and Isoldi delivered to Leung that money, and other moneys subsequently borrowed from Lombardozzi. Leung also testified as to his understanding that Lombardozzi was approving the loans, that his loan payments were ultimately given to Lombar-dozzi, and that Lombardozzi mentioned the loans and Leung’s repayment responsibilities every time he saw him. In addition, recorded conversations reveal, inter alia, Leung expressing concern, as a result of his failure to make timely loan payments, over getting “in trouble” with Billy Scot-to — described by Leung as the “muscle” of the group — as well as being visited by Lombardozzi. Thus, Isoldi’s plea allocution — allowed as evidence of the existence of an extortionate-collection conspiracy and Isoldi’s role in that conspiracy — was entirely cumulative of the government’s non-allocution evidence as to both the existence of the conspiracy and Isoldi’s membership in it.
Because the government’s properly admitted evidence as to Count 9 is “overwhelming,” and the reference it made in summation to the allocution was limited, we hold the admission of Isoldi’s plea allo-cution was harmless error, and we affirm Lombardozzi’s conviction on Count 9.
See, e.g., Reifler,
4. Other Issues
A. Bolstering
In addition to Lombardozzi’s above-addressed arguments that the admission of McCabe’s expert testimony was error, Lombardozzi argues that McCabe’s testimony was improperly used to bolster the testimony of other fact witnesses. Noting that “[t]he decision whether to admit expert testimony under Fed.R.Evid. 702 is ... left to the sound discretion of the trial judge and will not be set aside unless the ruling was manifestly erroneous,”
United States v. Schwartz,
Expert testimony may not be used to bolster the credibility of fact wit
*78
nesses.
See United States v. Cruz,
B. Evidence of prior bad acts
Lombardozzi also challenges the district court’s admission of evidence related to prior extortionate loans. In particular, he argues, pursuant to Federal Rule of Evidence 404(b), that the district court abused its discretion in admitting the testimony of Peter Perrotta and Ronald Massie, Isoldi’s loansharking customer and associate respectively. In relevant part, Rule 404(b) provides:
Evidence of other crimes, wrongs, or acts is not admissible to prove the character of a person in order to show action in conformity therewith. It may, however, be admissible for other purposes, such as proof of motive, opportunity, intent, preparation, plan, knowledge, identity, or absence of mistake or accident.
Fed.R.Evid. 404(b). This Court reviews “404(b) evidence under an ‘inclusionary approach’ and allows evidence ‘for any purpose other than to show a defendant’s criminal propensity.’ ”
United States v. Garcia,
The district court did not abuse its discretion by allowing the government to introduce the testimony of Perrotta and Massie. Here, Lombardozzi attempted to distance himself from Isoldi by asserting that he was not involved with Isoldi’s loans to Leung. Perrotta’s and Massie’s testimony establishing similar acts of extortion that Lombardozzi committed with Isoldi in the past, however, directly contradicted that assertion, and thus is both relevant and highly probative. Furthermore, the district court issued a proper limiting instruction. It instructed the jury that it “may not consider the evidence of the similar conduct as a substitute for [proof] that the defendant committed the crime charged” and was to consider the evidence only as proof of Lombardozzi’s intent, absence of mistake, and identity. Accordingly, the district court did not abuse its discretion by allowing the government to present evidence of prior bad acts.
C. Grand jury testimony
Finally, Lombardozzi contends that his indictment should be dismissed because Agent Bryceland misled the grand jury into believing that Leung feared for his safety and that his fear was based on an interaction with Isoldi. In support of his argument, Lombardozzi points to Agent Bryceland’s grand jury testimony that Leung “understood that if he didn’t make his payment, physical harm would come to him” and “the basis of [Leung’s] concern was the conversations [Leung] had with Mr. Isoldi.” Lombardozzi asserts that no proof was offered at trial in support of Agent Bryceland’s grand jury testimony on this point, and argues that this lack of proof, coupled with Leung’s trial testimony that he continued to make loan payments because it was only “fair,” demonstrates that Agent Bryceland misled the grand jury.
“[Dismissal of an indictment following a conviction is an ‘extraordinary’ remedy.”
United States v. Casamento,
Even if the grand jury were misled into believing that Agent Bryceland had evidence that Leung’s fear was based on a specific interaction with Isoldi, Lom-bardozzi has not shown that such misleading was reckless or intentional or anything more than Agent Bryceland’s simple inability to remember accurately all of the details of a conversation he had with
*80
Leung some two years before his grand jury testimony. In addition, the fact that Agent Bryceland’s testimony before the grand jury was at odds with Leung’s trial testimony in no way proves that Agent Bryceland’s grand jury testimony was false. Finally, even if we were to find that the grand jury indictment was defective, all of the discrepancies between Agent Bryceland’s grand jury testimony and the evidence at trial were submitted to the petit jury which found Lombardozzi guilty beyond a reasonable doubt. It is well settled that a guilty verdict at trial “remedies any possible defects in the grand jury indictment.”
United States v. Eltayib,
Conclusion
For the foregoing reasons the judgment of the district court is Affirmed. Lombar-dozzi has moved for a remand to the District Court for reconsideration of his sentence pursuant to
United States v. Crosby,
Notes
. This Circuit has not yet ruled on whether a debtor's state of mind is an element of conspiracy under 18 U.S.C. § 892. Other Circuits that have addressed the issue have held that the debtor's state of mind is irrelevant.
See, e.g., United States
v.
Nakaladski,
. In weighing Leung's testimony, a jury could reasonably infer that because Leung feared retribution, he minimized the extent of his fear when he testified.
See United States v. DeLutro,
. Lombardozzi’s other objection to the admission of McCabe’s expert testimony is addressed in this opinion in section 4.A., infra.
. When the source of plain error is a supervening decision, we have employed a modified plain error standard whereby the government bears the burden of proving that the error did not affect the defendant's substantial rights. We need not decide whether the Supreme Court's decision in
Johnson,
. Lombardozzi argues alternatively that the district court's admission of McCabe’s testimony was error because his testimony is based on inadmissible hearsay. Because Lombardozzi failed to object below, we review for plain error and hold, for the same reasons articulated in our disposition of Lom-bardozzi's Confrontation Clause argument, that the district court’s admission of McCabe's testimony, if error, was not plain error because it did not affect Lombardozzi’s substantial rights.
