MAGILL, Circuit Judge.
The State of South Dakota appeals the district court’s grant of habeas corpus relief to Dennis Lufkins. The district court found that Lufkins’ 1980 trial counsel was ineffective in the cross-examination of three witnesses and, therefore, the admission of their statements against Lufkins in a later trial violated his Sixth Amendment right to confront witnesses. We agree that ineffective cross-examination may under certain circumstances preclude the admis[1479]*1479sion of testimony in a subsequent proceeding. But since we find that the admission of the three statements in this case was harmless beyond a reasonable doubt, we reverse the granting of habeas relief.
I.
Petitioner Dennis Lufkins was at the home of Ernest Hayes in Sisseton, South Dakota, on December 4, 1979, along with Hayes, Eugene Hedine, Matthew Blue Dog, and Euth Titus. Sylvester Johnson arrived at the home with some wine at about 10:30 a.m. The group drank the wine and later that afternoon consumed a bottle of rubbing alcohol. At about 9:30 to 10:00 p.m., Lufkins and Johnson began to fight. Luf-kins grabbed an axe by the blade and swung the handle, striking Johnson on the right side of the head.
Johnson fell to the floor, but regained his feet with the help of Hayes and Hedine. After Johnson fell again, Hayes helped him outside to a car and began driving him to a hospital. Johnson had been alert for a short period after the blow, but passed out in the car. When Johnson’s skin began to darken, Hayes believed he had died. Hayes stopped the car, dragged Johnson’s body to a church lawn, left it there, and returned to his home. Johnson’s lifeless body was found the next morning.
An autopsy revealed that Johnson had died as the result of a single blow to the head by a blunt instrument. After receiving the autopsy, the Eoberts County Sheriff’s Office began an investigation. An informant indirectly implicated Lufkins. Eoberts County Sheriff Neil Long and Division of Criminal Investigation Agent Delbert Peterson interviewed Lufkins about the death. After being informed of his rights, Lufkins admitted striking Johnson on the right side of the head with an axe handle. Lufkins later signed a statement making the same admission.
Lufkins’ initial trial began on June 2, 1980, but was aborted when he pleaded guilty to first-degree manslaughter. Luf-kins was allowed to withdraw his plea on June 12, 1980, and was subsequently convicted of first-degree manslaughter in a second trial later that month. At this second trial, Ernest Hayes, Matthew Blue Dog, and Eugene Hedine testified as to a similar course of events leading up to the fateful altercation between Johnson and Lufkins. The three men also testified that they witnessed Lufkins strike Johnson on the right side of the head with an axe handle. Lufkins subsequently pleaded guilty to being a habitual criminal and was sentenced to life imprisonment. The conviction and sentence were affirmed by the South Dakota Supreme Court. State v. Lufkins, 309 N.W.2d 331 (S.D.1981).
Lufkins then filed his first habeas petition in federal district court, arguing that the state trial court violated his due process rights by failing to hold a hearing on the voluntariness of his confession outside the presence of the jury. Lufkins also claimed his trial counsel was ineffective for failing to object to the lack of a hearing. The district court granted habeas relief, holding that Lufkins’ trial counsel provided ineffective representation by failing to object to the state court’s constitutionally deficient hearing on the voluntariness of Luf-kins’ confession. Lufkins v. Solem, 554 F.Supp. 988, 994 (D.S.D.1983). This court affirmed, agreeing with the trial court that Lufkins’ trial counsel provided ineffective representation by failing to object to the lack of a voluntariness hearing, by failing to make a motion to sequester witnesses during the trial, and by bolstering the testimony of a prosecution witness. Lufkins v. Solem, 716 F.2d 532, 541-42 (8th Cir.1983), cert. denied, 467 U.S. 1219, 104 S.Ct. 2667, 81 L.Ed.2d 372 (1984).
The state retried Lufkins. Prior to this third trial, the state court held a hearing on numerous motions. The trial court concluded, inter alia, that Lufkins’ statement to police was voluntary and, therefore, admissible. The trial court also ruled that Hayes, Blue Dog, and Hedine were not available to testify at the third trial despite the good-faith efforts of the state to secure their presence. The court thus ruled that the prior testimony of Hayes, Blue Dog, and Hedine from the 1980 trial could be read into the record in the third trial.
[1480]*1480The third trial began on October 31, 1984. Lufkins’ admission and the transcript testimony of Hayes, Blue Dog, and Hedine was read into evidence. On November 5, 1984, the jury convicted Lufkins of first-degree manslaughter. Lufkins later pleaded guilty to being a habitual offender and was sentenced to life imprisonment. The South . Dakota Supreme Court affirmed the conviction and sentence. State v. Lufkins, 381 N.W.2d 263 (S.D.1986).
Lufkins filed this second habeas petition on May 14, 1987, alleging his conviction was based on a violation of his Sixth Amendment right to confront and cross-examine witnesses.1 The district court granted habeas relief, ruling that defense counsel in Lufkins’ 1980 conviction was ineffective in cross-examining Hayes, Blue Dog, and Hedine. Since competent trial counsel would have better attacked the credibility of the three witnesses, the district court concluded that the testimony bore insufficient indicia of reliability to be admitted as evidence during the third trial. Lufkins v. Solem, No. 87-1016, mem. (D.S.D. Feb. 14, 1991).
II.
It has long been clear that constitutional violations can be subject to harmless error analysis. Chapman v. California, 386 U.S. 18, 22, 87 S.Ct. 824, 827, 17 L.Ed.2d 705 (1967). Indeed, this is true of most constitutional violations. Arizona v. Fulminante, — U.S. -, 111 S.Ct. 1246, 1263, 113 L.Ed.2d 302 (1991). The factor determining when a constitutional violation is subject to harmless error analysis is whether the violation constituted trial error or whether it constituted a structural defect in the case itself. Id. Ill S.Ct. at 1264-65. This distinction is important because errors occurring during the course of the trial may be assessed quantitatively along with the other evidence presented at trial. It is possible, therefore, to determine if trial errors were harmless beyond a reasonable doubt. Id. Ill S.Ct. at 1264. On the other hand, structural defects, such as the total deprivation of right to counsel, can never be subject to harmless error analysis because they call into question the legitimacy of the entire proceeding. Id. at 1265.
Violations of the right to confront witnesses under the Sixth Amendment are subject to harmless error analysis. In Bruton v. United States, 391 U.S. 123, 126, 88 S.Ct.
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MAGILL, Circuit Judge.
The State of South Dakota appeals the district court’s grant of habeas corpus relief to Dennis Lufkins. The district court found that Lufkins’ 1980 trial counsel was ineffective in the cross-examination of three witnesses and, therefore, the admission of their statements against Lufkins in a later trial violated his Sixth Amendment right to confront witnesses. We agree that ineffective cross-examination may under certain circumstances preclude the admis[1479]*1479sion of testimony in a subsequent proceeding. But since we find that the admission of the three statements in this case was harmless beyond a reasonable doubt, we reverse the granting of habeas relief.
I.
Petitioner Dennis Lufkins was at the home of Ernest Hayes in Sisseton, South Dakota, on December 4, 1979, along with Hayes, Eugene Hedine, Matthew Blue Dog, and Euth Titus. Sylvester Johnson arrived at the home with some wine at about 10:30 a.m. The group drank the wine and later that afternoon consumed a bottle of rubbing alcohol. At about 9:30 to 10:00 p.m., Lufkins and Johnson began to fight. Luf-kins grabbed an axe by the blade and swung the handle, striking Johnson on the right side of the head.
Johnson fell to the floor, but regained his feet with the help of Hayes and Hedine. After Johnson fell again, Hayes helped him outside to a car and began driving him to a hospital. Johnson had been alert for a short period after the blow, but passed out in the car. When Johnson’s skin began to darken, Hayes believed he had died. Hayes stopped the car, dragged Johnson’s body to a church lawn, left it there, and returned to his home. Johnson’s lifeless body was found the next morning.
An autopsy revealed that Johnson had died as the result of a single blow to the head by a blunt instrument. After receiving the autopsy, the Eoberts County Sheriff’s Office began an investigation. An informant indirectly implicated Lufkins. Eoberts County Sheriff Neil Long and Division of Criminal Investigation Agent Delbert Peterson interviewed Lufkins about the death. After being informed of his rights, Lufkins admitted striking Johnson on the right side of the head with an axe handle. Lufkins later signed a statement making the same admission.
Lufkins’ initial trial began on June 2, 1980, but was aborted when he pleaded guilty to first-degree manslaughter. Luf-kins was allowed to withdraw his plea on June 12, 1980, and was subsequently convicted of first-degree manslaughter in a second trial later that month. At this second trial, Ernest Hayes, Matthew Blue Dog, and Eugene Hedine testified as to a similar course of events leading up to the fateful altercation between Johnson and Lufkins. The three men also testified that they witnessed Lufkins strike Johnson on the right side of the head with an axe handle. Lufkins subsequently pleaded guilty to being a habitual criminal and was sentenced to life imprisonment. The conviction and sentence were affirmed by the South Dakota Supreme Court. State v. Lufkins, 309 N.W.2d 331 (S.D.1981).
Lufkins then filed his first habeas petition in federal district court, arguing that the state trial court violated his due process rights by failing to hold a hearing on the voluntariness of his confession outside the presence of the jury. Lufkins also claimed his trial counsel was ineffective for failing to object to the lack of a hearing. The district court granted habeas relief, holding that Lufkins’ trial counsel provided ineffective representation by failing to object to the state court’s constitutionally deficient hearing on the voluntariness of Luf-kins’ confession. Lufkins v. Solem, 554 F.Supp. 988, 994 (D.S.D.1983). This court affirmed, agreeing with the trial court that Lufkins’ trial counsel provided ineffective representation by failing to object to the lack of a voluntariness hearing, by failing to make a motion to sequester witnesses during the trial, and by bolstering the testimony of a prosecution witness. Lufkins v. Solem, 716 F.2d 532, 541-42 (8th Cir.1983), cert. denied, 467 U.S. 1219, 104 S.Ct. 2667, 81 L.Ed.2d 372 (1984).
The state retried Lufkins. Prior to this third trial, the state court held a hearing on numerous motions. The trial court concluded, inter alia, that Lufkins’ statement to police was voluntary and, therefore, admissible. The trial court also ruled that Hayes, Blue Dog, and Hedine were not available to testify at the third trial despite the good-faith efforts of the state to secure their presence. The court thus ruled that the prior testimony of Hayes, Blue Dog, and Hedine from the 1980 trial could be read into the record in the third trial.
[1480]*1480The third trial began on October 31, 1984. Lufkins’ admission and the transcript testimony of Hayes, Blue Dog, and Hedine was read into evidence. On November 5, 1984, the jury convicted Lufkins of first-degree manslaughter. Lufkins later pleaded guilty to being a habitual offender and was sentenced to life imprisonment. The South . Dakota Supreme Court affirmed the conviction and sentence. State v. Lufkins, 381 N.W.2d 263 (S.D.1986).
Lufkins filed this second habeas petition on May 14, 1987, alleging his conviction was based on a violation of his Sixth Amendment right to confront and cross-examine witnesses.1 The district court granted habeas relief, ruling that defense counsel in Lufkins’ 1980 conviction was ineffective in cross-examining Hayes, Blue Dog, and Hedine. Since competent trial counsel would have better attacked the credibility of the three witnesses, the district court concluded that the testimony bore insufficient indicia of reliability to be admitted as evidence during the third trial. Lufkins v. Solem, No. 87-1016, mem. (D.S.D. Feb. 14, 1991).
II.
It has long been clear that constitutional violations can be subject to harmless error analysis. Chapman v. California, 386 U.S. 18, 22, 87 S.Ct. 824, 827, 17 L.Ed.2d 705 (1967). Indeed, this is true of most constitutional violations. Arizona v. Fulminante, — U.S. -, 111 S.Ct. 1246, 1263, 113 L.Ed.2d 302 (1991). The factor determining when a constitutional violation is subject to harmless error analysis is whether the violation constituted trial error or whether it constituted a structural defect in the case itself. Id. Ill S.Ct. at 1264-65. This distinction is important because errors occurring during the course of the trial may be assessed quantitatively along with the other evidence presented at trial. It is possible, therefore, to determine if trial errors were harmless beyond a reasonable doubt. Id. Ill S.Ct. at 1264. On the other hand, structural defects, such as the total deprivation of right to counsel, can never be subject to harmless error analysis because they call into question the legitimacy of the entire proceeding. Id. at 1265.
Violations of the right to confront witnesses under the Sixth Amendment are subject to harmless error analysis. In Bruton v. United States, 391 U.S. 123, 126, 88 S.Ct. 1620, 1622, 20 L.Ed.2d 476 (1968), the Supreme Court held that the admission of the confession of a codefendant who did not take the stand at a joint trial violated a defendant’s right to cross-examine witnesses when that confession implicated the defendant. It has been repeatedly held that Bruton errors may be harmless. Harrington v. California, 395 U.S. 250, 253, 89 S.Ct. 1726, 1728, 23 L.Ed.2d 284 (1969); Schneble v. Florida, 405 U.S. 427, 428, 92 S.Ct. 1056, 1057, 31 L.Ed.2d 340 (1972); Brown v. United States, 411 U.S. 223, 231, 93 S.Ct. 1565, 1570, 36 L.Ed.2d 208 (1973).
The mere finding of a violation of the Bruton rule in the course of the trial, however, does not automatically require reversal of the ensuing criminal conviction. In some cases the properly admitted evidence of guilt is so overwhelming, and the prejudicial effect of the code-fendant’s admission is so insignificant by comparison, that it is clear beyond a reasonable doubt that the improper use of the admission was harmless error.
Schneble v. Florida, 405 U.S. at 430, 92 S.Ct. at 1059.
Not only may the complete denial of the right to cross-examine witnesses be harmless, a court’s restrictions on a defendant’s cross-examination of witnesses may constitute harmless error beyond a reasonable doubt. Delaware v. Van Arsdall, 475 U.S. 673, 684, 106 S.Ct. 1431, 1438, 89 L.Ed.2d 674 (1986) (constitutionally improper denial of defendant’s opportunity to impeach a witness for bias held to be subject to harmless error analysis). Therefore, in cases where a defendant is given a full [1481]*1481opportunity to cross-examine witnesses but is disappointed with the results, the ineffectiveness of that cross-examination—even if it were found to constitute constitutional error—may be harmless beyond a reasonable doubt.
The correct inquiry is whether, assuming that the damaging potential of the cross-examination were fully realized, a reviewing court might nonetheless say that the error was harmless beyond a reasonable doubt. Whether such an error is harmless in a particular case depends upon a host of factors, all readily accessible to reviewing courts. These factors include the importance of the witness’ testimony in the prosecution’s ease, whether the testimony was cumulative, the presence or absence of evidence corroborating or contradicting the testimony of the witness on material points, the extent of cross-examination otherwise permitted, and, of course, the overall strength of the prosecution’s case.
Delaware v. Van Arsdall, 475 U.S. at 684, 106 S.Ct. at 1438.
Therefore, to determine whether the introduction of the statements of Hayes, Blue Dog, and Hedine was harmless beyond a reasonable doubt, we must examine the other evidence introduced at the trial to determine whether it appears “beyond a reasonable doubt that the error complained of did not contribute to the verdict obtained.” Yates v. Evatt, — U.S. -, 111 S.Ct. 1884, 1892, 114 L.Ed.2d 432 (1991) (quoting Chapman v. California, 386 U.S. 18, 24, 87 S.Ct. 824, 828, 17 L.Ed.2d 705 (1967)).
The government failed to argue harmless error in its appellate brief. While the government may waive harmless error, an appellate court has discretion to overlook the waiver under certain circumstances. United States v. Giovannetti, 928 F.2d 225, 226-27 (7th Cir.1991). The factors considered by the Giovannetti court in determining whether an appellate court should undertake a harmless error analysis in situations where the government fails to raise it are: (1) the length and complexity of the record, (2) the certainty of the harmlessness finding, and (3) whether a reversal will result in protracted, costly and futile proceedings in district court. Id. at 227. In United States v. Pryce, 938 F.2d 1343, 1348 (D.C.Cir.1991), a divided panel concluded that an appellate court may undertake an unbriefed harmless error analysis when the “relevant portions of the record are reasonably short and straightforward.” The panel’s opinion, however, cautioned that when an appellate court conducts a review of the record on its own initiative, it should err on the side of the criminal defendant. Id. at 1348. See also United States v. Rodriguez Cortes, 949 F.2d 532, 543 (1st Cir.1991) (raising harmless error analysis sua sponte where harmfulness of error was obvious); United States v. Jewel, 947 F.2d 224, 228-29 n. 5 (7th Cir.1991) (court addresses unbriefed harmless error claim based on the “certainty of harmlessness”); United States v. Benson, 941 F.2d 598, 605 (7th Cir.1991); cf. United States v. Vontsteen, 950 F.2d 1086, 1091-92 (5th Cir.1992) (appellate courts ordinarily have the discretion to address legal questions that are not timely raised).
Our sua sponte analysis also comports with Supreme Court precedent. In United States v. Karo, 468 U.S. 705, 104 S.Ct. 3296, 82 L.Ed.2d 530 (1984), the Court determined that tainted evidence was used in a search warrant affidavit. The Court, on its own initiative and without briefing by the parties, however, conducted a review of the record and determined that sufficient evidence existed beyond the tainted evidence to support the search warrant. Id. at 719-21, 104 S.Ct. at 3305-06. In Yates, 111 S.Ct. 1884, the Court remanded a habe-as petitioner’s claim to the South Carolina Supreme Court to conduct a harmless error analysis. When the case returned to the Court on appeal, the Court concluded that the state court had applied the wrong legal standard in its analysis. Nevertheless, the Court conducted an independent review of the record to make a harmlessness determination. “[W]e have the authority to make our own assessment of the harmlessness of a constitutional error in the first instance.” Id. at 1894-95.
[1482]*1482We undertake harmless error analysis sua sponte in this case because we find that reviewing the rather straightforward record will prevent an expensive and futile remand. Moreover, contrary to the dissent's argument, we think it clear that the finding of harmlessness is beyond reasonable argument. While this case has a convoluted procedural history, the relevant record consists only of the transcript of the third trial. This transcript includes Luf-kins' confession to the crime as well as corroborating evidence.
The primary evidence, of course, is Luf-kins’ detailed confession. The “indelible impact” that a full confession may have on a trier of fact cannot be understated. Arizona v. Fulminante, — U.S. -, 111 S.Ct. 1246, 1266, 113 L.Ed.2d 302 (1991) (Kennedy, J., concurring).
Nevertheless, an uncorroborated confession, standing alone, cannot provide the grounds to convict a defendant. Smith v. United States, 348 U.S. 147, 152, 75 S.Ct. 194, 197, 99 L.Ed. 192 (1954). But in cases where the existence of the crime has been established, the guilt of the accused may stand on nothing more than the defendant’s otherwise uncorroborated confession. Id. The state must be able to prove in a crime involving damage to persons or property that the injury for which the accused confessed did occur, and that some person was criminally responsible for it. These two factors comprise the so-called corpus delicti. Wong Sun v. United States, 371 U.S. 471, 489 n. 15, 83 S.Ct. 407, 418 n. 15, 9 L.Ed.2d 441 (1963). “A notable example is the principle that an admission of homicide must be corroborated by tangible evidence of the death of the supposed victim.” Id. (citing 7 Wigmore, Evidence § 2072, n. 5 (3d ed. 1940)). “There need in such a case be no link, outside the confession, between the injury and the accused who admits having inflicted it.” Wong Sun, 371 U.S. at 489-90 n. 15, 83 S.Ct. at 418-19 n. 15.
The Eighth Circuit consistently has followed the Wong Sun rule that corroborative evidence of the accused’s identity need not be shown in cases where the state has established injury to person or property caused by the criminal acts of some person. United States v. Opdahl, 610 F.2d 490, 493 (8th Cir.1979), cert. denied, 444 U.S. 1091, 100 S.Ct. 1056, 62 L.Ed.2d 780 (1980). The South Dakota Supreme Court has also adopted this position. South Dakota defines the corpus delicti as (1) the fact of an injury or loss, and (2) the fact of someone’s criminal responsibility for the injury or loss. State v. Lowther, 434 N.W.2d 747, 754 (S.D.1989); State v. Best, 232 N.W.2d 447, 452 (S.D.1975); State v. Bates, 76 S.D. 23, 71 N.W.2d 641, 644 (1955).
The evidence establishing the corpus delicti—independent of the accused’s extrajudicial admission—need not be conclusive. Id. The evidence of the corpus delicti satisfies the corroboration rule if it is sufficient to show a “reasonable probability” that the criminal act of another caused the death of the victim. State v. Best, 232 N.W.2d at 453, (quoting People v. Cantrell, 8 Cal.3d 672, 105 Cal.Rptr. 792, 504 P.2d 1256 (1973), overruled on other grounds by People v. Wetmore, 22 Cal.3d 318, 149 Cal.Rptr. 265, 583 P.2d 1308 (1978)).
III.
We now turn to our review of the evidence. A detailed confession is the most probative of all evidence. In fact, the varied opinions by Supreme Court justices in Arizona v. Fulminante, — U.S. -, 111 S.Ct. 1246, 113 L.Ed.2d 302 (1991), all underscored one critical fact—a full confession by a defendant has an extraordinary impact on a finder of fact. Justice Kennedy wrote in concurrence that when a defendant admits a crime, the jury will be tempted to rest its decision on that evidence alone. “Apart, perhaps, from a videotape of the crime, one would have difficulty finding evidence more damaging to a criminal defendant’s plea of innocence.” Id. Ill S.Ct. at 1266-67. Justice White wrote in a portion of the Court’s opinion:
A confession is like no other evidence. Indeed, ‘the defendant’s own confession is probably the most probative and damaging evidence that can be admitted [1483]*1483against him.... [T]he admissions of a defendant come from the actor himself, the most knowledgeable and unimpeachable source of information about his past conduct. Certainly, confessions have profound impact on the jury.’
Id. at 1257 (quoting Bruton v. United States, 391 U.S. 123, 139-40, 88 S.Ct. 1620, 1629-30, 20 L.Ed.2d 476 (1968) (White, J., dissenting)). Finally, Justice Rehnquist, in a different portion of the Court’s opinion, said that the admission of a confession “may be devastating to a defendant.” Arizona v. Fulminante, 111 S.Ct. at 1266.
We agree that a detailed, uncoerced admission by a defendant will tell a jury more about a particular crime than any other evidence, and that a jury will give this evidence extraordinary weight. Accordingly, we give great weight to the fact that Lufkins made an uncoerced2 confession to police detailing his involvement in the killing of Johnson.
In his statement, Lufkins told police: The night of December 4, 1979 Eugene Hedine, Sylvester Johnson, Ernest Hayes, Mathew Blue Dog, (sic) and myself were drinking at our house. About 9:30 o’clock that evening Sylvester Johnson and myself got into an argument over drinking. I picked an axe (sic), that was standing in the corner of the living room, by the blade and hit Sylvester Johnson over the head, on the right side, with the handle of the axe. Shortly thereafter Sylvester Johnson and Ernest Hayes left the house. About 9:30 a.m. December 5, 1979 Luverne Black Thunder came to the house and told me that Sylvester Johnson had been found dead.
J.A. at 57.
While this confession provides compelling evidence of guilt, the state must still prove that Johnson died as the result of the criminal act of another person. There is no dispute that Johnson is dead. Our task, therefore, is to determine whether the state introduced sufficient evidence to show within a reasonable probability that Johnson’s life was criminally taken by another. We have no trouble finding that the state met this burden. Dr. Thomas Henry, a forensic pathologist, performed an autopsy on Johnson. Henry testified that Johnson died of a subdural hemato-ma — a blood clot over the surface of the brain — caused by a blunt blow to the right side of the head. He testified the trauma was caused by a single blow and was consistent with being struck by a blunt instrument, such as an axe handle. He testified death could not have come from natural causes and the trauma was not consistent with an injury sustained by accident, such as by falling down.
Lufkins’ admission fully comports with the independent evidence as to the cause of death of Johnson. Viewing this conclusion in light of the factors listed in Delaware v. Van Arsdall, 475 U.S. at 684, 106 S.Ct. at 1438, we find that the jury would have convicted Lufkins without regard to the testimony of Hayes, Blue Dog, and Hedine. The testimony of these three men was an insignificant part of the prosecution’s case. At most, the testimony merely corroborated Lufkins’ own confession. Any information given to the jury by the statements of Hayes, Blue Dog, and Hedine was simply cumulative. Moreover, the only evidence presented to contradict Lufkins’ confession was testimony by Lufkins’ sister, Faith Lufkins, that Dennis Lufkins was at her home the entire day and night of December 4, and by Caroline Blackthunder, another relative, that Dennis Lufkins was [1484]*1484at Faith Lufkins’ house nearly the entire day of December 4. It seems clear that the overall strength of the state’s case was only marginally bolstered, if at all, by the testimony of the three men.
Our decision comports with prior cases which have sustained convictions on similar facts. In United States v. Todd, 657 F.2d 212 (8th Cir.1981), cert. denied, 455 U.S. 926, 102 S.Ct. 1288, 71 L.Ed.2d 469 (1982), this court affirmed a murder conviction where the defendant admitted that a cocon-spirator struck the victim on the back of the head with a tire iron during a robbery and that the men dumped the body in a wooded area. The only evidence corroborating the defendant’s statement was an autopsy that revealed that the victim died of head injuries consistent with a blow described by the defendant and testimony that the remains of the body were found in the spot identified in the defendant’s admission. Id. at 217; see also United States v. Voice, 627 F.2d 138, 146 (8th Cir.1980) (confession by defendant that he had “split [the victim’s] head open with a baseball bat,” that “there must have been a gallon of blood on the couch,” and that defendant “threw the bat behind the couch” was corroborated adequately by evidence that the victim was killed by a baseball bat, a copious amount of blood was found on the couch, and that the bat was found nearby on a footstool); United States v. Opdahl, 610 F.2d 490, 494 (8th Cir.1979) (upholding robbery conviction where admission by the accused that he was involved in the holdup was corroborated by independent evidence that the crime occurred).
IV.
Since we find that the “minds of an average jury” would not have found the state’s evidence significantly less persuasive had it not heard the statements of Hayes, Blue Dog, and Hedine, the admission of these statements into evidence was at most harmless error. See Schneble v. Florida, 405 U.S. at 432, 92 S.Ct. at 1059. Therefore, the conviction of Dennis Lufkins must stand. The granting of habeas relief is reversed.