OPINION OF THE COURT
1. Milton Jacobs, a prisoner at the Delaware Correctional Center, appeals the dismissal of his petition for a writ of habeas corpus filed pursuant to 28 U.S.C. § 2254 (1976). The appellant, convicted in Delaware Superior Court and sentenced to thirty-five years in prison for his participation in the kidnap, armed robbery of a department store in Dover, Delaware,
1
challenges his conviction on two grounds: that the trial court’s refusal to ask certain questions on voir dire denied him an impartial jury; and that the evidence at his trial was insufficient to support his conviction. He also contends that his thirty-five year sentence deprives him of due process of law since it was five years longer than the sentence which he received pursuant to a prior conviction for the same crimes which was subsequently vacated on appeal. Although we are troubled by appellant’s voir dire challenge, we affirm the denial of habeas corpus from his conviction because we do not find a constitutional violation. However, we agree with appellant that the thirty-five year sentence violates the dictates of
North Carolina v. Pearce,
I
2. Milton Jacobs was originally convicted in Delawаre Superior Court for his participation in an armed robbery and was sentenced to thirty years in prison.
See Jacobs
v.
State,
3. Prior to the second trial, appellant submitted a list of eighteen proposed questions to be asked on voir dire. The trial judge refused to ask twelve of the questions. One group of proposed questions concerned the prior experience of the potential jurors as victims of crimes.
2
A second group inquired into the jurors’ understanding of the nature of testimony by an accomplice and the willingness of the jurors tо follow the court’s instruction as to the weight to be given to accomplice testimony. A third group of questions asked whether the veniremen understood that the burden of proof was on the State and whether they would follow the court’s instructions concerning the right of the defendant to remain silent. Finally, although the court asked whether any of the jurors were related to or were close friends of the victims of the crime, the court refused to ask whether the veniremen knew thе victims.
Jacobs
v.
State,
*1254 4. At trial, the government’s evidence centered upon the testimony of two of Jacobs’ eoconspirators. While one of the co-conspirators, Ricky Upshur, was on the stand, the following examination took place:
Q. [by the prosecution] Rick, why didn’t you testify in this case yesterday?
A. Because I’m at Delaware Correctional Center or in Delaware’s Prison System, period, and people that testify against other people, they find it rather unhealthy uрon their return.
:}: * sfc * *
Q. Did anybody ever threaten you?
A. Did anybody ever threaten me?
Q. Concerning your testimony.
A. You could say. What it amounts to is a snitch is not tolerated, he’s dealt with in the prison system. My life is in danger as soon as I go back.
Q. Why do you say that? Who are you afraid of?
A. Right now the whole prison.
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Q. Can you name one or two or any specific people that you are afraid of?
A. Yes. I am afraid — right now I am afraid of David Keys and Milton Jacobs.
The appellant then took the stand in his own defense. He denied participation in the crime, testifying that he was at home playing gin rummy at the time the incident occurred.
5. Following appellant’s conviction and sentencing, he appealed, contending that he was denied due process of law by the refusal of the trial judge to allow certain voir dire questions to be asked of the jury, that he was entitled to acquittal on the evidence since he was convicted solely on the uncorroborated testimony of coconspirators, and finally, that he was denied due process of law because he was given a greater sentenсe on his second conviction than he had received upon his first.
Jacobs v. State,
6. On remand, the trial judge advanced the following reasons for the increased sentence.
Reference to the presentence reports will show that the sentenсe I imposed was recommended after both the first and second trials.
After presiding at the second trial (I did not preside at the first) I considered the recommendation fair and accordingly adopted it.
A comparison of the records of the two trials will reveal significant differences in them. The defendant testified at the second trial but not at the first. Also a witness at the second trial indicated that he was in fear of testifying against the defendant. This did not occur at the first trial.
I point out the above differences in the trials for the information of the Justices. I, of course, cannot state that had the evidence in the first trial been the same as that presented in the second that the first trial judge would have imposed the sentence I ultimately imposed.
If pressed for a reason for my imposing a longer sentence than the first trial judge I would have to simply cite general disagreement with his sentence.
The Supreme Court of Delaware affirmed the sentence.
7. Appellant then filed a petition for a writ оf habeas corpus pursuant to 28 U.S.C. § 2254 (1976). The petition raises essentially the same contentions raised before the Supreme Court of Delaware although the second ground has been modified to allege a constitutional violation: that the conviction based on the uncorroborated testimony of accomplices denied petitioner due process of law due to the insufficiency of the evidence. The district court granted the State’s motion for summary judgment and dismissed the complaint.
*1255 II
8. Appellant’s contention that he was denied due process because of the insufficiency of the evidence supporting his conviction is easily resolved. There is ample evidence in the record to support petitioner’s conviction. One accomplice testified to planning the crime with Jacobs, delivering him to the scene, and subsequently calling the scene to talk with Jacobs on the phone. He further tеstified to receiving his share of the crime’s proceeds from Jacobs. Another accomplice testified to planning the crime with Jacobs, arriving at the scene and entering the scene with Jacobs. Upon this evidence it cannot be said that no rational trier of fact could have found proof of guilt beyond a reasonable doubt.
See Jackson v. Virginia,
9. Appellant further argues that the evidence to support his conviction was constitutionally defective because it consisted entirely of the uncorroborated testimony of coconspirators.
3
This court has held, however, that “uncorroborated accomplice testimony may constitutionally provide the exclusive basis for a criminal conviction.”
United States v. DeLarosa,
III
10. Appellant next contends that the failure of the trial judge to ask certain questions on voir dire denied him his Sixth Amendment right to a trial by an impartial jury,
4
as well as his right to due process of law.
See Ristaino
v.
Ross,
11. Appellant proposed to question the veniremen on their willingness to follow the Court’s instructions as to the weight to be given accomplice testimony, the burden of proof, and the right of defendant to remain silent. He also proposed to ask the jurors if they “understood” or “agreed with” various propositions of law favorable to appellant’s position.
5
The trial judge did not violate appellant’s constitutional rights in excluding these questions. As this court stated in
United States v. Wooton,
[A]ppellant confuses an inquiry as to whether one’s personal convictions would preclude one from rendering an impartial verdict — a proper function of voir dire— with an inquiry as to whether one agreed with a rule of law. In the division of responsibilities between judge and jury, the jurors have no prerogative to question in the slightest degree the law to be applied to an issue, as announced by the court in its instructions.
*1256
We went on to hold that it was not an abuse of discretion for the trial court to preclude voir dire examination pertaining to a question of law involved in the case.
12. The failure of the trial court to inquire into the previous experience of the veniremen as victims of crime raises a more difficult problem. For appellant to prevail in the instant case, before us on habeas corpus, we must find that the failure to ask the requested questions violated his constitutional rights. 28 U.S.C. § 2254 (1976). This court has held that it is reversible error for a federal district court to fail to ask questions similаr to the ones here requested.
United States v. Poole,
13. Appellant would have us find that the failure to ask these questions infringed upon his constitutional rights. This contention raises a difficult question. In
United States ex rel. DeVita v. McCorkle,
14. Notwithstanding the above, although we are deeply troubled by the inexplicable failure of the trial court to ask the requested questions, we do not believe that *1257 the failure to ask such questions rises to the level of constitutional error. Unlike DeVita which deals with the actual presence of a biased juror, we deal here only with a mechanism for exploring whether such a juror is present. This fact must guide our inquiry.
15. The determination of the scope of voir dire is one context where the supervisory powers of the federal court allows for a “good deal closer supervision than does the Fourteenth Amendment.”
Ham v. South Carolina,
16. In
Ristaino v. Ross,
17. Finally, the trial court failed to ask the requested questions of whether the veniremen “knew” the victims of the crime. It did ask, howevеr, whether the veniremen were close friends or relatives of the victims, their fathers, mothers, brothers, sister, or wives. It also inquired into whether the veniremen had heard anything about the facts of the case outside of the courtroom. We believe that these together were sufficient to elicit information sought by defendant and that these questions satisfied the requirements of the Constitution, although a more perfect probe of prejudice on voir dire would have included such a question.
*1258 IV
18. We now turn to appellant’s contention that the imposition of the thirty-five year sentence following his second conviction violated his right to due process of law. In
North Carolina v. Pearce,
Due process of law, then, requires that vindictiveness against a defendant for having successfully attacked his first conviction must play no part in the sentence he receives after a new trial. And since the fear of such vindictiveness may unconstitutionally deter a defendant’s exercise of the right to appeal or collaterally attack his first convictiоn, due process also requires that a defendant be freed of apprehension of such a retaliatory motivation on the part of the sentencing judge.
19. To eliminate the potential for vindictiveness and the fear of retaliation, the Court established a broad prophylactic rule.
In order to assure the absence of such a motivation, we have concluded that whenever a judge imposes a more severe sentence upon a defendant after a new trial, the reasons for his doing so must affirmatively appear. Those reasons must be based upon objective information concerning identifiable conduct on the part of the defendant occurring after the time of the original sentencing proceeding. And the factual data upon which the increased sentence is based must be made part of the record, so that the constitutional legitimacy of the increased sentence may be fully reviewed on appeal.
Id.
at 726,
20. In the instant case the trial judge set forth four reasons in support of Jacobs’ increased sentence. The first reason advanced, that the court agreed with the presentence reports of the first and second trials which both recommended thirty-five years, clearly fails to satisfy the requirement that it relate to identifiable conduct on the part of the defendant. The court’s “general disagreement” with the first sentencе is similarly insufficient. 9
21. The trial court also noted that a witness at the second trial indicated that he was in fear of testifying against the defendant. An examination of the trial transcript, however, once again reveals that this reason is not supported by “objective information concerning identifiable conduct on the part of the defendant.” Id. Ricky Upshur, the witness in question, testified at first that his fear was a general one, based on the treatment afforded a “snitch” in the prison сommunity. When Upshur finally named Jacobs, it was in response to a question which asked Upshur of whom he was specifically afraid. While this question established the witness’s state of mind, it did not reveal the cause of the fear to be conduct on the part of Jacobs, rather than the rational apprehension of one who would perceive himself to be most threatened by the object of his testimony. The require *1259 ment of Pearce, therefore, is not satisfied by this reason.
22. The final reason advanced by the trial court, that the appellant testified at his second trial, but not at the first, does relate to conduct of the defendant subsequent to the first sentence. However, the mere fact that a defendant asserts his right to testify,
In re Oliver,
23. It is possible that the trial court concluded that the defendant was lying in his testimony. This would support an increased sentence.
See United States v. Grayson,
■ 24. We conclude, therefore that the statement of the sentencing judge does not comply with the requirements of
North Carolina v. Pearce.
Accordingly, the decision of the district court will be reversed in part. We adopt the procedure utilized by the fifth circuit in
Frank v. Blackburn,
Notes
. The crime involved entеring the store manager’s house, holding his family at gunpoint, and forcing the manager to take the perpetrators into the store. The appellant was convicted of three counts of kidnapping and one count each of burglary, conspiracy, robbery, theft and possession of a deadly weapon during the commission of a felony.
See Jacobs v. State,
. Specifically, the questions asked whether any of the veniremen had ever been the victim of a crime; whether any of them had ever been the victim of a crime similar to the crime charged against Jacobs; and whether any of the veniremen or their families had ever been a complaining witness in a criminal case.
. We assume, for the purpose of this discussion, that the coconspirator’s testimony was uncorroborated. We note, however, that the victims of the crime testified and were able to identify the clothing worn by the perpetrators.
. This right is applied as a restriction аgainst the States through the due process clause of Fourteenth Amendment.
Duncan v. Louisiana,
. For example, appellant wanted to know if the veniremen understood that;
1) the testimony of an accomplice is considered testimony from a tainted source and must be scrutinized with great care and caution;
2) this rule [of accomplice testimony] becomes impartial [sic] when there is nothing in the evidence, direct or indirect to corroborate the alleged acсomplice testimony;
3) the burden of proof is always on the prosecution, and that the defendant need not present any evidence in his behalf.
Jacobs
v.
State,
. We further note that the trial court’s instructions on the issues relevant to these questions were not objected to.
. Moreover, in
Poole
we relied on
Government of Virgin Islands v. Bodle,
. We note that appellant in this case requested a question probing prior experience of members of the families of the veniremen. However, as we stated in
Government of Virgin Islands v. Bodle,
. Because we conclude below that none of the reasons advanced by the trial court satisfy the requirements of Pearce, we need not decide whether the mere presence of an invalid reason would render invalid an increased sentence despite the presence of other, valid reasons.
. We emphasize that we do not here extend the requirement that a trial judge articulate the reasons underlying his sentencing decision beyond those situations in which such a procedure is mandated by
Pearce. See Washington
v.
Regan,
