On December 6, 1995, a jury convicted Larry Burch (“Burch”) of possession with intent to distribute more than 50 grams of cocaine base in violation of 21 U.S.C. §§ 841(a)(1) and 841(b)(l)(A)(iii) (1994), while acquitting him on a charge of‘conspiracy to distribute and to possess with intent' to dis 1 tribute cocaine base in violation of 21 U.S.C. § 846 (1994). While the defendant’s direct appeal was pending, he petitioned for a writ of habeas corpus under 28 U.S.C. § 2255 (1996), alleging both ineffective assistance of counsel and prosecutorial misconduct. The district court judge .who presided over -the-defendant’s trial denied the petition on No-: vember 7, 1997. An order of this court, dated January 27, 1998, consolidated the defendant’s direct appeal with his subsequent petition for a certificate of appealability under 28 U.S.C. § 2253 (1996), necessary to appeal the denial of his § 2255 motion.
In this consolidated appeal, the defendant challenges his conviction on the basis of alleged errors made by the district court in (1) holding that the defendant had made a knowing and voluntary waiver of his rights under Rule 11(e)(6) of the Federal Rules of CrimL nal Procedure and Rule 410 of the Federal Rules of Evidence, such that statements made during his plea hearing and subsequent debriefing could be offered into evidence by the prosecution; (2) allowing evidence pf the defendant’s prior conviction for attempted cocaine distribution into evidence under Rule *1318 404(b) of the Ftederal Rules of Evidence; and (3) denying a motion to suppress the fruits of hn August 11, 1995 search by officers of the Metropolitan Police Department on the grounds that its execution at 11:00 p.m. violated federal law. He further asserts that his trial counsel was constitutionally ineffective for failing to seek a judicial hearing to enforce the terms of a plea agreement signed by appellant and the United States Attorney’s Office, and for failing to complete the impeachment of a government witness. Finally, he alleges that the prosecutor knowingly sponsored false or misleading testimony by the same government witness, and that this instance of prosecutorial misconduct materially affected the outcome of his trial. 1 Finding no merit in any of these claims, we affirm the conviction and deny the request for a certificate of appealability.
I. Backgkound
In August of 1995, a confidential informant notified the Metropolitan Police Department (“MPD”) that crack cocaine was being sold out of a residence at 446 N Street in northwest Washington, D.C. In order to verify the allegation, the MPD arranged for this “special employee” to make a controlled purchase of narcotics from that location. 2 When thé purchased substance tested positive for cocaine base, MPD Sergeant Gerald G. Neill procured a warrant that authorized a search of the premises “in the daytime/at any time of the day or night.” Before executing the warrant at approximately 11:00 p.m., Sergeant Neill and his fellow officers set up and observed a second controlled purchase. After the special employee handed MPD funds over to a figure who then retreated into the house, the police officers announced their presence and proceeded to conduct their search.
Through the open front door, Sergeant Neill observed a woman descending the interior staircase, before halting her downward progress and sprinting back up the stairs. He followed the woman into an upstairs bedroom, where he found and, after a brief altercation, subdued both the woman' — Oneida Bailey (“Bailey”)' — and the defendant. At that time, Sergeant Neill and the two other officers conducted their search of the premises, discovering: plastic bags containing rocks of crack cocaine packaged in an eighth of an ounce quantities commonly referred to as “eight balls,” smaller rocks of crack cocaine wrapped in plastic bags, two ziploc bags containing cocaine powder, other plastic bags of various sizes, a razor blade, a scale, and 'eight hundred and thirty dollars, which included the MPD funds used by the special employee. In total, the MPD recovered 50.58 grams of cocaine base and 1.16 grams of cocaine powder. From the bedroom, the police also seized two photographs of the defendant, as well as several forms of identification containing his name and the 446 N Street address.
Following his arrest, Burch entered into plea negotiations with members of the United States (“U.S.”) Attorney’s Office, culminating in an October 25, 1995 agreement in which he pled guilty to possession with intent to distribute more than 50 grams of crack cocaine, count two of his four-count indictment. Burch also agreed to assist law enforcement authorities whenever and in whatever form the U.S. Attorney’s Office deemed appropriate. In return, the government agreed to request the dismissal of the other three counts of the indictment, to allow the defendant’s presentence release into the community to assist in undercover operations, and to inform the U.S. Attorney’s Departure Guideline Committee of the nature and extent of the defendant’s cooperation. Should the Departure Committee determine that the defendant had rendered substantial assistance to the investigation and prosecution of another individual, it would file a *1319 motion pursuant to 18 U.S.C. § 3553(e) (1994) in order to allow the sentencing judge to depart downwards from the federal sentencing guidelines.
Burch, however, did not prove particularly cooperative, despite being informed by the trial judge on several occasions that he faced a mandatory minimum sentence of twenty years if he did not provide some opening for a downward departure by assisting the government. He did outline the history of his involvement in narcotics distribution in a debriefing session with the Drug Enforcement Agency (“DEA”), discussing the identity of his sources as well as the quantities of crack cocaine that he typically purchased from them, but not much more. The defendant’s name came up in relation to a homicide in May and June of 1996 and, at the government’s request, the court revoked his bond and detained him pending sentencing. When questioned about the homicide, Burch was not forthcoming, and told a story which he subsequently recanted. On July 22, 1996, the Assistant U.S. Attorney supervising the case filed a memorandum with the Departure Committee outlining the limited nature of Burch’s cooperation. Eight days later, the defendant’s trial counsel filed a motion seeking to withdraw the guilty plea and alleging Burch’s innocence of the underlying narcotics offense. In the motion, as well as in an August 1, 1996 letter addressed to the trial judge, Burch disavowed any knowledge of the drugs prior to their discovery by the MPD, and asserted that the cocaine belonged to Bailey. He explained his guilty plea as a product of threats by Bailey to implicate him as a part of her own cooperation agreement with the government, coupled with a belief that a jury would be more likely to credit her testimony over his denial, given his status as a young black male with a prior arrest for possession with intent to distribute crack cocaine. 3
After a hearing, the trial court judge ultimately allowed Burch to withdraw his plea pursuant to Rule 32(e) of the Federal Rules of Criminal Procedure. “Implausible as Mr. Burch’s belated claim of innocence may seem, the Court will give Mr. Burch his day in court.” Memorandum Opinion and Order, United States v. Burch, Crim. No. 95-225-01, at 5-6 (D.D.C. Oct. 8, 1996) (“Mem. Op.”). However, as part of its decision, the court stated that it would not allow him to benefit from Federal Rules of Criminal Procedure Rule 11(e)(6) and Federal Rules of Evidence Rule 410’s restriction on the admissibility of statements made pursuant to a withdrawn" plea. Id. at 6. In his plea agreement, as well as in a Rule 11 colloquy with the trial judge prior to entering the plea, Burch specifically had waived his rights under Rules 11(e)(6) and 410. In allowing him to withdraw the plea, the trial court announced its intention to hold the defendant to this part of the agreement. See id. at 6-7. The court ultimately ruled that statements made by appellant during the October 25, 1995 plea hearing and a January 22, 1996 debriefing with the DEA could be used as part of the prosecution’s case-in-ehief, while those made during plea negotiations taking place on October 24,1995 could only be used for rebuttal or impeachment purposes should the defendant contradict them while on the witness stand.
After a three-day trial, a jury convicted the defendant of possession with intent to distribute more than 50 grams of crack cocaine, while acquitting him of conspiracy to do the same. The trial judge subsequently imposed a sentence of one hundred fifty one months imprisonment, to be followed by five years of supervised release.
II. Discussion
A. Appellant’s Evidentiary Challenges
1. The Withdrawn Plea
a. Waiver
Federal Rule of Criminal Procedure 11(e)(6) and Federal Rule of Evidence 410 each restrict the admissibility in a trial of a guilty plea previously withdrawn, as well as any statements made during the discussions *1320 leading up to such a plea. Appellant challenges the legality of his waiver of these rights as a part of his guilty plea, asserting that he entered into the plea agreement involuntarily. 4 Appellant contends that Bailey threatened to testify against him, and that he feared a trial wherein her false testimony could lead to his conviction on all four counts of his indictment. To avoid this jeopardy, he claims, he accepted the U.S. Attorney’s offer -to plead guilty to a single offense. Before reaching the question of the voluntariness of the plea, however, we must first determine whether and for what purposes an individual can waive the protections contained in Rules 11(e)(6) and 410.
The Supreme Court provided a partial answer in
United States v. Mezzanatto,
As expansive as this language sounds, the Supreme Court faced a narrower question in
Mezzanatto
than that which we confront today. There, the prosecutor had required, as a precondition to conducting plea negotiations, that the accused agree to allow the use of any statements made over the course of their discussions to impeach any contradictory testimony given in the ease of a trial. When the negotiations faltered, the government prosecuted Mr. Mezzanatto for possession with intent to distribute methamphetamine, and he took the stand as part of his defense. On direct examination, Mezzanatto denied having knowledge that the package he sold to an undercover officer contained methamphetamine. On cross-examination, and later with rebuttal witnesses, the prosecutor impeached this testimony with Mezzanatto’s statements made during the plea negotiations.
See id.,
at 198-99,
Although we face here the additional question of whether a defendant’s Rule 11(e)(6) rights can be waived for purposes of the prosecution’s case-in-chief, our inquiry still begins with
Mezzanatto.
Justice Thomas’ opinion paints with broad brush strokes, and its reasoning resonates beyond the precise question upon which it ruled. In a one paragraph concurring opinion, Justice Ginsburg,
*1321
joined by Justices O’Connor and Breyer, cautioned that the
Mezzanatto
decision did not address the question of whether a waiver of Rule 11(e)(6) for purposes of the prosecution’s case-in-chief would be valid. The concurrence raised the question of whether “a waiver to use such statements in the case-in-chief would more severely undermine a defendant’s incentive to negotiate,”
On reflection, however, we cannot discern any acceptable rationale for not extending the majority opinion in
Mezzanatto
to this case. Justice Thomas’ opinion rests on three principles. First, it finds that in the absence of an affirmative indication that Congress intended to preclude or to limit the waiver of statutory protections, including evidentiary rules, voluntary agreements to waive these protections are presumptively enforceable.
See Mezzanatto,
There are two arguments in favor of restricting the reach of
Mezzanatto
to rebuttal and impeachment. They go like this: First, in enacting Rules 11(e)(6) and 410, Congress has signaled an intent to create rights that benefit both the accused and the federal judicial system. Although most personal rights are presumptively waivable, when rights serve as a surrogate for protecting institutional interests, the economic model of bargaining,
see United States v. Wenger,
Second, while it is conceivable that sanctioning waivers for the use of statements made during plea proceedings in the prosecution’s case-in-chief, as opposed to impeachment or rebuttal, could have a markedly greater impact on the willingness of defendants to participate in such negotiations, the three-Justiee concurrence in
Mezzanatto
presents no reason why that would be the case. Nor has the appellant. Lacking any evidence to the contrary, it seems unlikely to us that most defendants would draw fine distinctions as to whether statements made in the course of or after the plea proceeding could be used in the government’s case-in-chief or only in rebuttal. It is true that the three concurring Justices in
Mezzanatto,
whose votes were necessary for the majority, expressed concern that admitting plea negotiation statements in the case-in-chief would too severely undermine the defendant’s incentives to negotiate.
See id.
at 211,
b. Knowing and Voluntary
Having decided that a defendant can affirmatively waive his rights under Rules 11(e)(6) and 410 to allow his plea statement to be admitted into evidence, we move on to appellant’s more basic contention that his waiver was involuntary. Before any waiver can be deemed unenforceable,
Mezzanatto
held that a trial judge must find “some affirmative indication that the agreement was entered into unknowingly or involuntarily.”
Id.
at 210,
“This court reviews a trial judge’s admission of evidence for abuse of discretion,”
United States v. Smart,
Our ruling is'in accord with our own precedent. In
United States v. Cray,
2. Prior Bad Acts
Appellant also challenges the district court’s denial of his motion
in limine
to exclude evidence of his prior arrest and conviction for attempted possession with intent to distribute crack cocaine, arguing that this “other crimes” evidence was both irrelevant to the charges against him and more prejudicial than probative. In addressing trial court determinations on the admissibility of bad acts evidence under the Federal Rules of Evidence, this circuit has employed a two-step mode of analysis. Under the first step, which addresses Rule 404(b), “we must determine whether the evidence is relevant to a material issue other than character.”
United States v. Mitchell,
*1324
Here, appellant was tried for possession with intent to distribute more than 50 grams of crack cocaine and conspiracy to possess and distribute the same. To establish the requisite elements on the possession count, the government needed to prove that appellant possessed crack cocaine knowingly and intentionally, and that when he possessed the cocaine he had a specific intent to distribute it.
See
21 U.S.C. § 841(a)(1). In making the Rule 404(b) determination, the trial judge concluded that “[t]he fact is that the evidence [of appellant’s prior conviction] is relevant to show knowledge and intent which are elements that the Government must prove.... It’s within the very same block and it involved again crack cocaine. And his knowledge and intent with respect to crack cocaine is what is at issue here.” 12/3/96 Trial Tr. at 42. Since the evidence of appellant’s prior conviction went beyond the issue of character, and went to the issues of knowledge and intent which formed the basis of appellant’s trial defense, the prior conviction satisfies the first step of the
Mitchell
analysis.
See United States v. Harrison,
The second step of the analysis takes place under Rule 403, and involves balancing the probative value of other crimes evidence against its prejudicial effect upon the defendant.
See
Fed.R.Evid. 403. Because this balancing involves a highly subjective assessment, this court conducts its review under a “grave abuse of discretion” standard.
See Mitchell,
B. The Validity of the Warrant as Executed
Appellant also challenges the trial court’s decision to permit the fruits of the MPD search into evidence, attacking the legal validity of both the underlying warrant and its nighttime execution. While appellant contends that the validity of the warrant’s execution must be measured against federal standards because “a federal offense has been charged and the trial was held in federal court,” Appellant’s Br. at 28, we need not decide whether the warrant is federal or local, nor need we choose between the federal and the local law standard to measure the legality of its execution. The warrant and its nighttime execution were valid under either regime.
Beginning with federal law, Rule 41 of the Federal Rules of Criminal Procedure directs that a “warrant shall be served in the daytime, unless the issuing authority, by appropriate provision in the warrant, and for reasonable cause shown, authorizes its execution at times other than daytime.” Fed. R.Crim.P. 41(c)(1).
See also
Fed.R.CRIm.P. 41(h) (defining “daytime” as “the hours from 6:00 a.m. to 10:00 p.m. according to local time”). Nevertheless, in the face of a specific statutory regime for an articulated class of offenses, the general provisions contained in Rule 41 are displaced.
See United States v. Berry,
21 U.S.C. § 879 instructs that a “search warrant relating to offenses involving controlled substances may be served at any time of the day or night if the judge or United States magistrate issuing the warrant is satisfied that there is probable cause to believe that grounds exist for the warrant and for its service at such time.” In
Gooding v. United States,
The
Gooding
Court confronted a fact pattern analogous to the present case. There, an Assistant United States Attorney had sought a warrant authorizing a search for narcotics, and in support of his application presented an affidavit signed by an undercover MPD officer alleging knowledge of the possession and sale of drugs. The defendant challenged the validity of the warrant for a search “at any time in the day or night,”
Under District of Columbia law, the analysis comes out the same. The District of Columbia Code parallels federal law, in that it contains a background warrant provision -in Title 23 § 521,
8
as well as a particular provision directed at controlled substances in Title 33 § 565.
9
In
United States v. Thomas,
As both federal and local law specifically provide for nighttime narcotics searches, appellant’s argument stands or falls on its contention that the ambiguity resulting from Sergeant Neill’s failure to cross out the warrant’s “daytime” clause renders it invalid. Since neither of the potentially applicable standards contain a time restriction, we do hot believe that this ministerial oversight in ahy way undermines the warrant’s validity. Additionally, Sergeant Neill acted in good faith. His belief, as the district court found it, “that he could execute it at any time of the day or night since this was a drug warrant ...,*’ 12/3/96 Trial Tr. at 60, satisfies the “objectively reasonable” test articulated in
United States v. Leon,
C. Appellant’s Petition for a Certificate of Appealability
Under 28 U.S.C. § 2253(c)(1)(B), an appeal cánnot be taken from a final order in a § 2255 habeas corpus proceeding unless a circuit judge issues a certificate of appeala-bility. 28 U.S.C. § 2253(e)(2) provides that a certificate may issue “only if the applicant has made a substantial showing of the denial of a constitutional right.”
1. Ineffective Assistance of Counsel
In his § 2255 habeas corpus proceeding, appellant maintained that his trial counsel failed to satisfy the constitutionally prescribed minimum standard for effectiveness. He continues to press this claim in his petition for a certificate of appealability, challenging his counsel’s failure: (i) to seek enforcement of the contractual plea agreement between appellant and the government, or at the very least to seek an evidentiary hearing through which appellant could establish that the government’s refusal to file a 5K1.1 motion constituted a breach; and (ii) to complete the impeachment of Oneida Bailey with the notes from her debriefing session with the DEA. Because neither of these alleged inadequacies, whether considered individually or in aggregate, suffice to establish a claim for constitutional ineffectiveness under the standard articulated in
Strickland v. Washington,
In
Strickland,
the Supreme Court advised reviewing courts that they need not undertake both components of the ineffective assistance inquiry should it prove possible to dispose of a challenge on either of its prongs.
See id.
at 697,
Appellant next faults his trial counsel for failing to impeach Bailey with notes from a DEA debriefing session. At trial, appellant’s defense centered around the argument that the drugs recovered by the MPD belonged to Bailey. In addition to so testifying, appellant developed this theory by arguing that he no longer resided at the 446 N Street residence in August of 1995, that the bedroom in which the cocaine was discovered belonged to Bailey, that she had made numerous drug sales earlier that day, and that she had recently purchased a quantity of cocaine similar to the amount recovered by the MPD. Notes from Bailey’s DEA debriefing session provided some support for the last contention, in that they contained an entry, under the heading “Phil ... Source of supply,” that reads “62 grams — the most she’s gotten from him.” Appellant’s App. at 151. When cross-examining Bailey, appellant’s trial counsel repeatedly asked whether she had ever obtained 62 grams of crack cocaine from Phil. 12 Though she answered in the negative, defense counsel did not present her with a copy of the notes and ask her to explain any disparity between the text and her testimony-
Appellant alleges that this failure by defense counsel to produce the notes and to “complete the impeachment,” Appellant’s Br. at 36, of Bailey’s testimony constitutes an oversight of constitutional magnitude. We cannot agree. Even if it constitutes a failure of advocacy,
13
appellant’s claim cannot negotiate the hurdle of
Strickland’s
prejudice
*1328
prong when examined in light of the record as a whole.
See Strickland,
Had defense counsel presented Bailey with the DEA debriefing notes and asked her to explain any disparity, that impeachment would not have cast any doubt on the testimony given by the various law enforcement witnesses. Since the notes lack any temporal references about the 62 grams, even if it could have been established that Bailey once received that quantity of cocaine from a supplier named Phil, no evidence links that receipt with the drugs appellant repeatedly admitted to owning.
14
As for its capacity to vitiate Bailey’s credibility, we do not believe that the introduction of the DEA notes could have undermined her reliability significantly more than the testimony she had already given. Bailey admitted that she was intoxicated with a controlled substance on the night of the arrest, that she had participated in narcotics transactions which provided the basis for the search warrant and her arrest, that she had been convicted of possession with intent to distribute in the past, that she was cooperating with the government in return for a lighter sentence, and that she had broken the terms of her own plea agreement by continuing to use drugs and by being rearrested for heroin possession. Viewed in light of the overwhelming evidence against appellant, including his previous admission not just of the fact but the details of his guilt, we cannot find that there is a reasonable probability that, had Bailey been confronted with the DEA notes, the jury verdict would have been any different.
See Strickland,
2. Prosecutorial Misconduct
Finally, appellant asserts that the prosecutor violated his Fifth Amendment right to due process of law by knowingly sponsoring, or by failing to correct, the allegedly false testimony of a government witness. Rehearsing the substance of his ineffective assistance claim, appellant highlights the discrepancy between Bailey’s trial testimony and the DEA debriefing notes on the subject of whether she received drugs from Phil. He goes on to argue that, under
Napue v. Illinois,
Q: Did you ever tell a DEA agent you thought a guy named Phil might have 62 grams of crack?
A: Yeah, when they asked.
12/5/96 Trial Tr. at 71. From this alleged failure by the prosecution to fulfill its affirmative obligation to correct the record when a government witness testifies falsely, appellant deduces a violation of due process. We disagree.
Even if appellant could establish that the prosecution either sponsored or
*1329
failed to correct false testimony,
15
he cannot satisfy the materiality test for prosecutorial misconduct articulated in
Napue
and reiterated in
Giglio v. United States,
Appellant offers two theories as to how the prosecutor’s allegedly improper question satisfies the Giglio materiality standard. We reject each in turn. First appellant asserts that if the jury had been apprised of the DEA notes, it could have equated the transaction referred to in the notes with the drugs seized by the MPD, whether or not Bailey admitted to receiving 62 grams of cocaine on the stand. However, appellant admitted ownership of these specific drugs not merely in his guilty plea, but also in his more detailed debriefing session with the DEA. Moreover, Bailey did testify to purchasing large amounts of crack cocaine on previous occasions. Even if the jury had been made aware that she told the DEA agent that she had received 62 grams from Phil at some point, we do not believe that this additional admission would have cast any appreciable doubt upon the solid evidence establishing appellant’s guilt. Second, appellant claims that the prosecutor’s question served to rehabilitate Bailey’s credibility as a witness, such that the jury was more likely to credit her testimony against appellant. However, at this point Bailey’s credibility had been thoroughly compromised by her own admissions of prior drug use and dealing, and we doubt any attempt at rehabilitation — if that it was — through rephrasing a single question peripheral to the main issue of the trial could have influenced the jury in its final verdict. 16 See discussion infra pp. 1328-29.
III. Conclusion
For reasons explained, we reject all of Burch’s contentions and affirm his conviction. Because appellant has failed to make a substantial showing of the denial of any constitutional right, we decline to issue a certificate of appealability and affirm the dismissal of his petition for a writ of habeas corpus.
So ordered.
Notes
. Appellant makes a number of further claims, none of which warrant discussion.
. In the typical controlled buy, police officers Will give a special employee money with which to make a narcotics purchase. After first searching that individual to ensure that he has neither money nor drugs on his person, the officers will give him police department dollars and then observe the consummation of the intended transaction. Upon the special employee’s return, the officers conduct a second search so as to verify that the police money has been exchanged for narcotics.
. Appellant was arrested on June 5, 1994, on the same block as the 446 N Street residence, for possessing 18 ziploc bags containing crack cocaine. He later pled guilty to attempted possession with intent to distribute crack cocaine.
. Rules 11(e)(6) and 410 restrict the admissibility of "any statement made in the course of plea discussions ...,” which appellant interprets to encompass the October 24lh plea negotiations, the October 25th plea agreement, and the January 22nd DEA debriefing. Because the trial judge only admitted the plea agreement and the debriefing statements into evidence as part of the prosecution’s case-in-chief, the discussion of extending
United States v. Mezzanatto,
. Appellant’s specific contention that he involuntarily waived the protections of Rules 11(e)(6) and 410 derives from his broader claim that he did not enter into the plea agreement voluntarily. He makes no attempt to deconstruct the plea agreement into individual components, nor to claim that he acceded to a particular provision involuntarily, independent of his intention with respect to the entire plea. Therefore, we can only review whether his waiver was knowing and voluntary through examining, as the trial court did, the nature of the plea agreement that subsumes it. By contrast, the waiver addressed in Mezzanatto had been negotiated separately, before the plea discussions began. Therefore, the Mezzanatto Court could focus specifically on the voluntary nature of the waiver of the nonadmissi-bility guarantees.
. A 1974 amendment to 21 U.S.C. § 879(a) struck out the designation (a); the statutory provision at issue in Gooding and in the present case are identical. See Pub.L. No. 93-481, § 3, 88 Stat. 1455 (1974).
. In the present case, the district court judge assumed that in the absence of a finding of time-related probable cause, a nighttime search for narcotics could only be valid under District of Columbia law. While the district court judge believed that a search pursuant to 21 U.S.C. § 879 required that “an additional finding must be made by the Magistrate before authorizing a nighttime execution of a warrant," 12/3/96 Trial Tr. at 66-67, Gooding specifically holds to, the contrary.
. “A search warrant shall contain ... a direction that the warrant be executed during the hours of daylight or, where the judicial officers have' found .cause therefor, including .one ,of , the. grounds set forth in section 23-522(c)(l), and authorization for execution at any time of day or night.” D.C.Code Ann. § 23-521(f)(5) (1997).
. "The judge or Magistrate shall insert a direction in the warrant .that it may he served at any time in the day or night.”. D.C.Code Ann. § 33-565(h) (1997).
. In Hines, a warrant office clerk, acting without instructions, crossed out the 'at any time of the day or night’ provision on the warrant form. The Court of Appeals held that this inadvertent ministerial mistake did not render the subsequent nighttime search invalid. Id. at 149.
. The plain language of the plea signed by Burch makes it clear that he himself breached the agreement, first by failing to "cooperate truthfully, completely and forthrightly with [the U.S. Attorney’s] Office and other Federal, state and local enforcement authorities whenever, wherever, and in whatever form this Office *1327 deems appropriate,” — as required by section 3(a) of the plea — and later by filing a motion to withdraw his plea — an act which section 5(a) defines as a breach of the agreement. See Appellee's App. at 20-21.
. The exchanges read:
Q: Didn’t you once get 62 grams or something in that range from a guy named Phil?
A: Named Phil?
Q: Yes.
A: I didn’t — I didn’t get it from him but I know he had it.
Q: Did you ever get 62 grams from him or get something of that amount from Phil?
A: No, but he sells it but I never got it from him.
Q: But on other occasions you got drugs from Phil?
A: Yes.
12/5/96 Trial Tr. at 33.
Q: Did you ever — do you remember ever telling an investigator at a meeting that you got 62 grams once from Phil?
A: No.
Q: Didn't you once tell an investigator that you got 62 grams from Phil? A: I never got that amount from him, never.
Q: Well, you never got an amount of that sort from Phil or from—
A: And I don’t remember telling the investigator that.
Q: You don’t remember telling the investigator that either.
A: No.
Q: So you didn’t get 62 grams from Phil or from anyone, is that right?
A: No, I did not.
Q: And you don’t remember telling any investigator that you got 62 grams from Phil.
A: No.
Id. at 70-71.
. The trial court denied appellant's § 2255 petition on the grounds that defense counsel acted reasonably: ”[W]ould a reasonable effective counsel have showed her the debriefing note? I'd say some would and some wouldn’t.” 11/7/97 Tr. at 50. Since we find any effect of defense counsel's alleged errors insufficient to justify overturning the jury’s verdict, and “[failure to make the required showing of either deficient performance or sufficient prejudice defeats the ineffectiveness claim,”
Strickland,
. The only temporal reference consists of the statement "last contact — $150 purchase 8-ball in August.” Appellant's App. at 151. Testifying at appellant's § 2255 hearing, the DEA agent who debriefed Bailey interpreted her notes to mean that any receipt of 62 grams would have had to have taken place prior to August. However, as she had no specific recollection of her conversation with Bailey, she could offer only her best reconstruction of the notes.
. Without passing judgment on this question, we note that the district court, in addressing appellant's § 2255 motion, specifically concluded that the prosecutor did not knowingly sponsor false testimony. "We still don’t know that this is false testimony.... Nothing I’ve heard in the last two days indicates to me that there was false testimony given at trial.” 11/7/97 Tr. at 20-21.
. By contrast, in
Giglio
and
Napue,
prosecution witnesses falsely denied that they had been promised lenient treatment,
see Giglio,
