OPINION OF THE COURT
Appellant has > been charged in a 56-count indictment that alleges,
inter alia,
mail fraud in violation of 18 U.S.C. § 1341 (1982). He appeals from the district court’s denial of his several motions to dismiss the indictment in which he had alleged various abuses of the grand jury process.
I.
This appeal arises from a present criminal proceeding in which appellant, H. William Johns, is being tried for participation in a bribery and kickback scheme. During 1983, Walter Rubel, in-house counsel for Acme Markets, Inc. (“Acme”), received information that Johns, Acme’s Director of Packaging, Equipment and Supplies Procurement, was receiving kickbacks from some of Acme’s vendors. Acme brought that information, together with the results of its own further investigation, to the United States Attorney’s Office.
After an extensive criminal investigation, the matter was presented to a grand jury for the Eastern District of Pennsylvania, which returned a 56-count indictment charging Johns with violations of 18 U.S.C. § 1341 (1982) (mail fraud), 18 U.S.C. § 1952 (1982) (use of interstate facility in aid of commercial bribery) and 18 U.S.C. § 2314 (1982) (interstate transportation of securities taken by fraud). The indictment charged that while Johns was employed by Acme, he accepted commercial bribes from outside vendors with whom he had dealt at Acme. It further charged that these vendors made commission payments to three corporations: Pak-All, Alma Trading and Garo Service and that these corporations thereafter made payments to Johns. 1
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Johns filed several pre-trial motions seeking dismissal of the indictment.
2
In the first of these motions, he contended that forty-six of the indictment’s fifty-six counts should be dismissed because the government failed to present exculpatory evidence to the grand jury, which the government had obtained from Johns, demonstrating that Acme had suffered no financial loss due to Johns’s alleged scheme. In the second, he argued that the entire indictment should be dismissed because the government violated Fed.R.Crim.P. 6(e) by disclosing information that had been gathered via grand jury subpoenas to Acme’s in-house counsel. In his third motion, Johns asserted that there was a lack of sufficient evidence presented to the grand jury to support the indictment. In his final motion, Johns sought to strike two paragraphs of the indictment, which alleged mail fraud, that he contended were invalid because they were predicated upon a theory — that the mail fraud statute criminalized an employee’s civil breach of a fiduciary duty— that was rejected by the Supreme Court.
See McNally v. U.S.,
— U.S. -,
After a two-day evidentiary hearing, the district court denied each of these motions. Thereafter, Johns timely filed a notice of appeal to this Court from the denial of his motions and also filed a motion to stay the trial proceedings pending the outcome of this appeal, which the district court granted.
As part of its response to Johns’s appeal, the government filed a motion to dismiss for lack of jurisdiction and, prior to consideration of the substance of Johns’s contentions, we have reviewed the government’s challenge to our jurisdiction. Upon that review, we conclude that, at this time, we are without jurisdiction to reach the merits of Johns’s appeal.
II.
The government contends that Johns’s appeal is not ripe because the order denying the motion to dismiss is not a final judgment within the meaning of this Court’s grant of authority,
see
28 U.S.C. § 1291 (1982);
see also, DiBella v. United States,
Johns asserts that his case falls within one of the exceptions, namely the “collateral order” rule established by
Cohen v.
*157
Beneficial Industrial Loan Corp.,
As the starting point for our inquiry, we note that the contentions that Johns raises are distinguishable from the narrowly defined class of pre-trial orders in criminal prosecutions that the Supreme Court has explicitly determined meet the requirements of the collateral order rule for interlocutory appeals. In those cases, the Supreme Court applied the collateral order rule to instances in which '"an asserted right the legal and practical value of which would be destroyed if it were not vindicated before trial.’”
United States v. Hollywood Motor Car Co.,
The order appealed from in this case lacks “the critical characteristics that make orders denying bail reduction or refusing to dismiss on double jeopardy grounds or Speech or Debate grounds immediately ap-pealable.”
Flanagan v. United States,
III.
In
Mechanik,
the Supreme Court considered whether a violation of Fed.R.Crim. P. 6(d) could be the basis for the dismissal of an indictment on post-conviction appeal. The defendants in that case had been convicted of both conspiracy and substantive drug offenses. At trial, the defendants discovered that two witnesses had been present, testifying together, during the grand jury proceeding in contravention of Rule 6(d). The defendants moved to dismiss the indictment on that ground, and the district court denied their motion. The defendants were subsequently convicted and appealed on the basis of the violation of Rule 6(d). The Court of Appeals for the Fourth Circuit agreed that the simultaneous presence of the grand jury witnesses had violated Rule 6(d), and held that this violation had tainted the conspiracy portion of the indictment. It therefore reversed the defendants’ conspiracy conviction and remanded to the district court for its dismissal of the conspiracy portion of the indictment, notwithstanding the absence of a factual finding that the defendants had been prejudiced by the violation.
United States v. Mechanik,
the petit jury’s subsequent guilty verdict means not only that there was probable *158 cause to believe that the defendants were guilty as charged, but also that they are in fact guilty as charged beyond a reasonable doubt. Measured by the petit jury’s verdict, then, any error in the grand jury proceeding connected with the charging decision was harmless beyond a reasonable doubt.
Id. (emphasis added) (footnote omitted). Moreover, the Court noted that
societal costs of reversal and retrial are an acceptable and often necessary consequence when an error in the first proceeding has deprived a defendant of a fair determination of the issue of guilt or innocence. But the balance of interest tips decidedly the other way when an error has had no effect on the outcome of the trial.
Id.
at 72,
Johns argues that, pursuant to
Mechan-ik
’s harmless error analysis, upon his conviction he will be denied review of his claims of grand jury abuse, since a court could find “no simple way after the verdict to restore [him] to the position in which he would have been had the indictment been dismissed before trial.”
Id.
at 71,
In support of his argument, he relies upon two decisions of the Court of Appeals for the Ninth Circuit that have read
Me-chanik
broadly to foreclose post-conviction review not only of violations of Rule 6(d), but also of other assertions of error in the charging process.
See United States v. Benjamin,
In
Benjamin,
the appellants contended that the government had violated Fed.R. Crim.P. 6(e)(2) by its disclosure of matters that had been before the grand jury. The appellate court held that, even in the context of a violation of the grand jury’s secrecy provision, it “would not be free to avoid a harmless error analysis[,]” or to find Mechanik’s concern for societal costs of retrial inapplicable.
In our view, the distinction between assertions of error that concern Rule 6(d) and assertions of error that concern Rule 6(e), or other such claims that raise issues that go to the fundamental fairness of the grand jury proceeding, does suggest a different outcome in the determination of interlocutory review. Rule 6(d) was enacted, in part, to ensure that a grand jury is not subject to undue influence in its decision to indict.
Mechanik,
In our view,
Mechanik
was not intended to preclude the post-conviction review of assertions of errors that implicate more than merely technical deficiencies.
Cf. United States v. Taylor,
We do not read
Mechanik
as creating another exception to the final judgment rule, but rather agree with the view expressed by the Court of Appeals for the Tenth Circuit that
Mechanik
is “carefully crafted along very narrow lines.”
Taylor,
IV. Conclusion
In light of the long-standing principle that disfavors piecemeal appeals,
Hollywood Motor Car Co.,
Notes
. Grand jury subpoenas were issued to several financial institutions for the records of Alma Trading, Pak-All, and Garo Service, each of which had been identified as being used by Johns to receive kickbacks. Records of these companies were also obtained through grand jury subpoenas served on Johns’s accountant. Additionally, the United States Postal Inspector issued "mail covers” — "the process by which a record is made of any data appearing on the outside cover of any class [of mail] matter," 39 C.F.R. § 233.3 (1987) — in order to ascertain the identities of individuals or entities that might be making payments to Johns. The results of the mail cover, as well as the government’s analysis of the bank records, were forwarded to Rubel for him to investigate the nature of the relationship that each of the named corporations had *156 with Acme. Based upon information that Acme obtained from the mail cover and the government’s analysis of bank and accounting records, Acme began to withhold payments from vendors that were suspected of having paid kickbacks to Johns. These vendors subsequently settled with Acme and, shortly thereafter, cooperated with the government's investigation.
. Johns filed a total of five pre-trial motions for dismissal of the indictment. The district court ruled on four of these motions and those decisions are the subject of this appeal. At Johns’s request, the district court deferred reaching a decision on the fifth motion, which sought the exclusion of evidence on grounds of undue prejudice, until the time of trial.
. Each of Johns’s claims is distinguishable from the type of alleged error that the Supreme Court considered in
Mechanik.
First on this point, it is noteworthy that none of his assertions is predicated upon Rule 6(d), which is the specific rule that the Supreme Court considered in
Me-chanik.
His contention concerning the government's failure to present exculpatory evidence to the grand jury, for example, presents the issue of prosecutorial misconduct which, in pri- or cases, has been appealed post-conviction,
see, e.g., United States v. Ciambrone,
. Pursuant to Fed.R.App.P. 41(a), we will direct the clerk to issue the mandate forthwith.
