BAKES, Justice.
In this appeal, appellants John Sadler and Ronald Sever are challenging their convictions of robbery in the district court of the Third Judicial District. The principal issue in their appeal involves the legality of a witness identification of appellants as perpetrators of the robbery. The witness made the identification at the police [526]*526station shortly after appellants were apprehended, and in the absence of counsel for appellants. Appellants contest the admissibility of evidence of this police station identification as a violation of their 6th amendment rights to counsel and in contravention of due process guarantees of the 14th amendment. Appellants also challenge the admissibility of an in-court identification of appellants made by the same witness, claiming that that identification was tainted by the illegal police station confrontation. In addition, appellant Sadler contends that the prosecution withheld information which would have aided Sadler in the preparation of his defense.
Prior to consideration of appellants’ arguments, it is necessary to present an abridgment of the facts leading up to appellants’ prosecution and the challenged identification.
At approximately 11:55 p.m. on March 6, 1971, Billy Firebaugh, the clerk of the Seven-Eleven Store on 12th Avenue in Nam-pa, was robbed by an armed man whose face was masked by a nylon stocking. Because of the mask, Firebaugh was not able to identify the robber hut managed to observe his clothing and general physical build. Just prior to the robbery, Walden Downs, the proprietor of a service station located across 12th Avenue from the Seven-Eleven Store, had returned to his station to secure it for the night. On arriving, Downs noticed a car parked next to his station. At about 11:45, Downs watched the car move across 12th Avenue and stop in an alley behind the Seven-Eleven Store. Downs saw a man alight from the vehicle, “put something over his head,” and enter the store. Downs thought the man pulled a gun on Firebaugh. Concluding that some criminal activity was occurring, Downs left his station in his late-model pickup and drove slowly down the alley behind the Seven-Eleven Store for the purpose of identifying the vehicle. On obtaining the license number of the car, Downs also endeavored to get a look at the occupants of the car. Downs observed two males in the car — a driver and a passenger whom Downs saw remove something from his head on entering the car. At the trial Downs testified that he saw clearly the faces of both men as he passed the parked vehicle.
From the license number and a description of the vehicle which was supplied by Downs, the Nampa police were later able to locate and apprehend appellants while they were driving in the automobile described by Downs. The defendants were searched at the scene of the arrest. The search revealed no weapons, but the searching officers discovered that the appellants each had over $40 in small bills on their persons, approximately the amount alleged to have been taken in the robbery. Appellants were arrested on suspicion of robbery and were taken to the Nampa police station. The automobile which they were driving was impounded and approximately 12 hours later was searched by the officers, who had obtained a search warrant, and a .22 caliber revolver was found under the driver’s seat.
After the arrest of appellants, approximately an hour after the robbery, Downs was summoned to the police station, apparently for the purpose of looking at suspect photographs. While at the station, Downs, his wife, and daughter were seated in a small room. Appellant Sadler, in handcuffs, was brought into the room by a police officer who asked Downs if he could identify Sadler. Downs replied that Sadler was the man he had seen as the passenger in the car parked behind the Seven-Eleven Store. The record is clear that Sadler was being physically restrained by the officer at the time Downs identified him. Downs was then asked to step outside the door in order to identify Sever as the driver of the car. Sever, also in handcuffs, was standing at the opposite end of the hall from Downs, flanked by two police officers. Downs likewise identified Sever as the driver of the automobile. Witness Downs stated that he tallied to no one, nor had he been [527]*527briefed by any police officers prior to making the identifications. Downs did, however, state that while in the station he had overhead an officer say that “a car and a suspect car had been apprehended.” Downs also noted that his wife, who had accompanied him to the police station, had mentioned that Sadler was “of the same build as the man that we watched go in” the Seven-Eleven Store.
Prior to the trial, both appellants filed motions to suppress evidence of the police station identification. The trial court, after an evidentiary hearing, denied the motions. In the course of the trial, Mr. Downs made an in-court identification of both appellants as the men he observed in a parked vehicle behind the Seven-Eleven Store the night of the robbery. This identification was likewise objected to by appellants. No reference to the police station identification was made by Downs. However, during the cross examination and subsequent re-direct examination of police officer Hupe, the police station identification was exposed and evidence of its outcome was also admitted.
In their appeal to this court, appellants level a two-pronged attack at the district court ruling concerning the legality of the police station identification. Appellants contend first that the evidence of the identification must be ruled inadmissible under the Wade-Gilbert per se exclusionary rule since the confrontation at which Downs identified the appellants occurred in the absence of appellants’ counsel, an effective denial of their 6th amendment rights.1 Second, and notwithstanding the right to counsel claim, appellants urge that the circumstances of the police station identification were unusually suggestive and unfair so as to amount to a denial of due process.
Fundamental to appellants’ right to counsel claim are the landmark United States Supreme Court cases of United States v. Wade, 388 U.S. 218, 87 S.Ct. 1926, 18 L.Ed.2d 1149 (1967), and Gilbert v. California, 388 U.S. 263, 87 S.Ct. 1951, 18 L.Ed.2d 1178 (1967). Wade, a federal criminal case, and Gilbert, a state prosecution stand — strictly speaking — for the proposition that a criminally accused is .entitled to have counsel present at post-indictment lineups. Failure to allow the presence of counsel subjects any evidence of the import of such identification to a per se exclusionary rule.2 Although the actual holdings in Wade and Gilbert concerned only post-indictment lineups, the Court’s opinions made it clear that all pretrial confrontations between the accused and the witnesses against him were subject to close scrutiny. United States v. Wade, supra, 388 U.S. at 227, 87 S.Ct. at 1932.
The recent United States Supreme Court case of Kirby v. Illinois, 406 U.S. 682, 92 S.Ct. 1877, 32 L.Ed.2d 411 (1972), has settled the law in this area. In Kirby, the defendant was arrested for robbery and transported to the police station. An eye witness to the offense was called to the station where he identified the defendant as the perpetrator of the crime.
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BAKES, Justice.
In this appeal, appellants John Sadler and Ronald Sever are challenging their convictions of robbery in the district court of the Third Judicial District. The principal issue in their appeal involves the legality of a witness identification of appellants as perpetrators of the robbery. The witness made the identification at the police [526]*526station shortly after appellants were apprehended, and in the absence of counsel for appellants. Appellants contest the admissibility of evidence of this police station identification as a violation of their 6th amendment rights to counsel and in contravention of due process guarantees of the 14th amendment. Appellants also challenge the admissibility of an in-court identification of appellants made by the same witness, claiming that that identification was tainted by the illegal police station confrontation. In addition, appellant Sadler contends that the prosecution withheld information which would have aided Sadler in the preparation of his defense.
Prior to consideration of appellants’ arguments, it is necessary to present an abridgment of the facts leading up to appellants’ prosecution and the challenged identification.
At approximately 11:55 p.m. on March 6, 1971, Billy Firebaugh, the clerk of the Seven-Eleven Store on 12th Avenue in Nam-pa, was robbed by an armed man whose face was masked by a nylon stocking. Because of the mask, Firebaugh was not able to identify the robber hut managed to observe his clothing and general physical build. Just prior to the robbery, Walden Downs, the proprietor of a service station located across 12th Avenue from the Seven-Eleven Store, had returned to his station to secure it for the night. On arriving, Downs noticed a car parked next to his station. At about 11:45, Downs watched the car move across 12th Avenue and stop in an alley behind the Seven-Eleven Store. Downs saw a man alight from the vehicle, “put something over his head,” and enter the store. Downs thought the man pulled a gun on Firebaugh. Concluding that some criminal activity was occurring, Downs left his station in his late-model pickup and drove slowly down the alley behind the Seven-Eleven Store for the purpose of identifying the vehicle. On obtaining the license number of the car, Downs also endeavored to get a look at the occupants of the car. Downs observed two males in the car — a driver and a passenger whom Downs saw remove something from his head on entering the car. At the trial Downs testified that he saw clearly the faces of both men as he passed the parked vehicle.
From the license number and a description of the vehicle which was supplied by Downs, the Nampa police were later able to locate and apprehend appellants while they were driving in the automobile described by Downs. The defendants were searched at the scene of the arrest. The search revealed no weapons, but the searching officers discovered that the appellants each had over $40 in small bills on their persons, approximately the amount alleged to have been taken in the robbery. Appellants were arrested on suspicion of robbery and were taken to the Nampa police station. The automobile which they were driving was impounded and approximately 12 hours later was searched by the officers, who had obtained a search warrant, and a .22 caliber revolver was found under the driver’s seat.
After the arrest of appellants, approximately an hour after the robbery, Downs was summoned to the police station, apparently for the purpose of looking at suspect photographs. While at the station, Downs, his wife, and daughter were seated in a small room. Appellant Sadler, in handcuffs, was brought into the room by a police officer who asked Downs if he could identify Sadler. Downs replied that Sadler was the man he had seen as the passenger in the car parked behind the Seven-Eleven Store. The record is clear that Sadler was being physically restrained by the officer at the time Downs identified him. Downs was then asked to step outside the door in order to identify Sever as the driver of the car. Sever, also in handcuffs, was standing at the opposite end of the hall from Downs, flanked by two police officers. Downs likewise identified Sever as the driver of the automobile. Witness Downs stated that he tallied to no one, nor had he been [527]*527briefed by any police officers prior to making the identifications. Downs did, however, state that while in the station he had overhead an officer say that “a car and a suspect car had been apprehended.” Downs also noted that his wife, who had accompanied him to the police station, had mentioned that Sadler was “of the same build as the man that we watched go in” the Seven-Eleven Store.
Prior to the trial, both appellants filed motions to suppress evidence of the police station identification. The trial court, after an evidentiary hearing, denied the motions. In the course of the trial, Mr. Downs made an in-court identification of both appellants as the men he observed in a parked vehicle behind the Seven-Eleven Store the night of the robbery. This identification was likewise objected to by appellants. No reference to the police station identification was made by Downs. However, during the cross examination and subsequent re-direct examination of police officer Hupe, the police station identification was exposed and evidence of its outcome was also admitted.
In their appeal to this court, appellants level a two-pronged attack at the district court ruling concerning the legality of the police station identification. Appellants contend first that the evidence of the identification must be ruled inadmissible under the Wade-Gilbert per se exclusionary rule since the confrontation at which Downs identified the appellants occurred in the absence of appellants’ counsel, an effective denial of their 6th amendment rights.1 Second, and notwithstanding the right to counsel claim, appellants urge that the circumstances of the police station identification were unusually suggestive and unfair so as to amount to a denial of due process.
Fundamental to appellants’ right to counsel claim are the landmark United States Supreme Court cases of United States v. Wade, 388 U.S. 218, 87 S.Ct. 1926, 18 L.Ed.2d 1149 (1967), and Gilbert v. California, 388 U.S. 263, 87 S.Ct. 1951, 18 L.Ed.2d 1178 (1967). Wade, a federal criminal case, and Gilbert, a state prosecution stand — strictly speaking — for the proposition that a criminally accused is .entitled to have counsel present at post-indictment lineups. Failure to allow the presence of counsel subjects any evidence of the import of such identification to a per se exclusionary rule.2 Although the actual holdings in Wade and Gilbert concerned only post-indictment lineups, the Court’s opinions made it clear that all pretrial confrontations between the accused and the witnesses against him were subject to close scrutiny. United States v. Wade, supra, 388 U.S. at 227, 87 S.Ct. at 1932.
The recent United States Supreme Court case of Kirby v. Illinois, 406 U.S. 682, 92 S.Ct. 1877, 32 L.Ed.2d 411 (1972), has settled the law in this area. In Kirby, the defendant was arrested for robbery and transported to the police station. An eye witness to the offense was called to the station where he identified the defendant as the perpetrator of the crime. No counsel was present at the identification procedure. Evidence of the police station identification as well as an in-court identification by the same witness was introduced at trial. Defendant was ultimately convicted and appealed to the Illinois appellate. court, which affirmed the conviction. The United States Supreme Court [528]*528granted certiorari on the limited question of whether the Wade-Gilbert per se exclusionary rule is applicable to pre-indictment confrontations. In a split decision, the Supreme Court declined to extend the Wade Gilbert right to counsel ruling to pre-indictment confrontations. The court noted that historically the right to counsel was mandatory “only at or after the time that adversary judicial proceedings [had] been initiated against them” — “whether by way of formal charge, preliminary hearing, indictment, information or arraingment.” In the words of the court:
“The initiation of judicial criminal proceedings is far from a mere formalism. It is the starting point of our whole system of adversary criminal justice. For it is only then that the Government has committed itself to prosecute, and only then that the adverse positions of Government and defendant have solidified. It is then that a defendant finds himself faced with the prosecutorial forces of organized society, and immersed in the intricacies of substantive and procedural criminal law. It is this point, therefore, that marks the commencement of the ‘criminal prosecutions’ to which alone the explicit guarantees of the Sixth Amendment are applicable. See PREADY-TO-POUR, INC., an Idaho corporation, Plaintiff-Respondent, v. Leonard B. McCOY, as Building Inspector of the City of Ketchum, et al., Defendants-Appellants, and W. E. Murphy et al., Third Party Intervenors and Appellantsowell v. Alabama, 287 U.S. 45, 66-71, 53 S.Ct. 55, 63, 77 L.Ed. 158; Massiah v. United States, 377 U.S. 201, 84 S.Ct. 1199, 12 L.Ed.2d 246; Spano v. New York, 360 U.S. 315, 324, 79 S.Ct. 1202, 1207, 3 L.Ed.2d 1265 (Douglas, J., concurring).” 92 S.Ct. at 1882.
As to confrontations prior to the initiation of the judicial criminal proceedings, such as we are faced with in the case at bar, the right to counsel guarantees of the 6th amendment are inapplicable. See State v. Daugherty, 94 Idaho 232, 486 P.2d 243 (1971). The Kirby case effectively disposes of appellants’ contention that they must have been afforded the right to counsel at the police station confrontation with witness Downs.
Although appellants were not entitled to counsel at the police station identification, the opinion in Kirby makes manifest that appellants may nevertheless raise the issue of any police abuses in pretrial identification procedures. As stated in Kirby:
“As the Court pointed out in Wade itself, it is always necessary to ‘scrutinize any pretrial confrontation. . . .’ 388 U.S. at 227, 87 S.Ct. at 1932. The Due Process Clause of the Fifth and Fourteenth Amendments forbids a lineup that is unnecessarily suggestive and conducive to irreparable mistaken identification. Stovall v. Denno, 388 U.S. 293, 87 S.Ct. 1967, 18 L.Ed.2d 1199; Foster v. California, 394 U.S. 440, 89 S.Ct. 1127, 22 L.Ed.2d 402. When a person has not been formally charged with a criminal offense, Stovall strikes the appropriate constitutional balance between the right of a suspect to be protected from prejudicial procedures and the interest of society in the prompt and purposeful investigation of an unsolved crime.” 92 S.Ct. at 1883.
The effect of the Kirby ruling is to elevate the due process test articulated in Stovall v. Denno, 388 U.S. 293, 87 S.Ct. 1967, 18 L.Ed.2d 1199 (1967), to controlling stature in determining whether a confrontation prior to the commencement of formal judicial criminal proceedings is improper. In finding that a hospital room showup identification of an accused was valid and not violative of due process, the Stovall court explained:
“We turn now to the question whether petitioner, . . ., is entitled to relief on his claim that in any event the confrontation conducted in this case was so unnecessarily suggestive and condticive to irreparable mistaken identification that he was denied due process of law. This is a recognized ground of attack upon a conviction independent of any right to counsel claim. Palmer v. Peyton, 359 F.2d 199 (C.A.4th Cir.1966). The prac[529]*529tice of showing suspects singly to persons for the purpose of identification, and not as part of a lineup has been widely condemned. However, a claimed violation of due process of law in the conduct of a confrontation depends on the totality of the circumstances surrounding it, . . .” Stovall v. Denno, supra, at 301-302, 87 S.Ct. at 1972. (Emphasis added).
See Simmons v. United States, 390 U.S. 377, 88 S.Ct. 967, 19 L.Ed.2d 1247 (1968); Foster v. California, 394 U.S. 440, 89 S.Ct. 1127, 22 L.Ed.2d 402 (1969); Kirby v. Illinois, supra.
Although the United States Supreme Court has said that one-to-one confrontations between the accused and the witness for purposes of identifying the culprit in a criminal offense are inherently suspect and generally not condoned, it is also understood that “due process is not invariably violated by such a procedure.” Terry v. Peyton, 433 F.2d 1016 (4th Cir. 1970) ; See Biggers v. Tennessee, 390 U.S. 404, 88 S.Ct. 979, 19 L.Ed.2d 1267 (Douglas, J., dissenting).
Considering the foregoing principles, it is next our task to examine the “totality of circumstances” surrounding the police station identification in the case at bar, and resolve the question of whether appellants were denied due process as a result of any impermissible suggestiveness of the police station confrontation with witness Downs.
Respondent argues the credibility of the identification as reason for sustaining it. Respondent urges us to consider the fact that the identification took place approximately an hour after the witness observed the criminal event, the suggestion being that the witness’s recollection of the appearance of the persons he observed would be fresher and more reliable the sooner after the observation the identification occurred. (See United States v. Miller, 145 U.S.App.D.C. 312, 449 F.2d 974 (1971); Russell v. United States, 133 U.S.App.D.C. 77, 408 F.2d 1280 (1969). Respondent also places reliance on the contention that the witness’s pre-showup description of appellants closely coincided with their actual physical appearance, the slight discrepancies not being of a material nature. See State v. Daugherty, 94 Idaho 232, 486 P.2d 243 (1971).
These factors notwithstanding, judged by the standards set down by the United States Supreme Court in the Wade, Kirhy, Stovall and Biggers cases, we are constrained to hold that the police station identification procedure was defective. “This Court does not condone highly suggestive police station identification procedures.” State v. Raine, 93 Idaho 862, 477 P.2d 104 (1970), and for this reason we cannot sustain the police station identification procedure in this case. See Stovall v. Denno, supra. Both appellants were displayed individually to the witness, whereupon the witness was asked words to the effect of “Is this the man?” At the time of their identification, both were shackled by handcuffs and accompanied by police officers. It appears that Sadler, in addition, was being physically touched or restrained by a police officer who escorted Sadler into the room where Downs identified him. There is also evidence that Downs overheard, prior to his identification of appellants, that “a car and suspect car had been apprehended,” and that Downs was advised by his wife that “she had not seen his (apparently Sadler’s) face, but he was of the same build as the man that we watched go in.” There is some indication that the confrontation between the witness Downs and the defendant Sadler was inadvertent. Officer Hupe testified that he was taking the defendant Sadler to a room for interrogation and when he opened the door the witness Downs was in the room and he backed out and took the defendant Sadler to another room. The officer said he could not remember asking Downs to step orttside to observe the defendant Sever. However, the testimony of the witness Downs and the defendant Sadler clearly indicates that officer Hupe opened the door and presented the defendant Sadler to the witness Downs and asked him if this was the man. The witness identified Sadler as one of the men. The [530]*530testimony is further clear that the officer Hupe, then, or shortly thereafter, asked the witness Downs to step outside where he could observe the defendant Sever standing at the end of the hall handcuffed between two police officers. He then asked witness Downs if he thought that the defendant Sever was the driver of the car. The witness so identified the defendant Sever. These suggestive circumstances were too influencing, too inclined to prompt an erroneous identification for us to conclude that this manner of identification was proper. As stated in the excellent treatise by Judge Nathan R. Sobel, Eye-Witness Identification: Legal and Practical Problems (1972) :
“A showup, where the alternative of a lineup is available, is unnecessarily and impermissively suggestive, Wade, discussing showups, said (388 U.S. at 234 [, 87 S.Ct. 1926]) that it was difficult to imagine a situation more clearly conveying the suggestion that the person presented ‘is believed guilty by the police.’ The dissenting opinion in Biggers v. Tennessee, 390 U.S. 404, 407, [88 S.Ct. 979, 19 L.Ed.2d 1267] noted, ‘The message is clear: the police suspect this man.’ Stovall commented (388 U.S. at 302 [, 87 S.Ct. 1967]): ‘The practice of showing suspects singly to persons for the purpose of identification, and not as part of a lineup, has been widely condemned.’ See also : Annot., Admissibility of Evidence of Showup Identification as Affected by Allegedly Suggestive Showup Procedures, 39 A.L.R.3d 791 (1971).” Supra, at 72.
Our finding that the police station identification was impermissively suggestive does not necessarily render defective the witness’s in-court identification of appellants. The prosecution did not put on evidence of the police station identification, and therefore the per se exclusionary rule articulated in Wade and Gilbert is inapplicable. However, with regard to the in-court identification of the witness Downs, such in-court identification is admissible even if the witness has participated in an impermissively suggestive police station identification, if the prosecution can show, by clear and convincing evidence, that the “in-court identifications were based upon observations of the suspect other than the lineup identification.” United States v. Wade, 388 U.S. 218, at 240, 87 S.Ct. 1926, at 1939, 18 L.Ed.2d 1149 (1967). Accord: Coleman v. Alabama, 399 U.S. 1, 90 S.Ct. 1999, 26 L.Ed.2d 387 (1970) ; Gilbert v. California, supra; State v. Daugherty, supra; State v. Haggard, 94 Idaho 249, 486 P.2d 260 (1971). The controlling test in assessing the admissibility of an in-court identification following a defective pretrial identification was stated in Wade and apparently undisturbed by Kirby, to be:
“ ‘ “[W]hether, by granting establishment of the primary illegality, the evidence to which instant objection is made has been come at by exploitation of that illegality or instead by means sufficiently distinguishable to be purged of the primary taint.’” (citations omitted).” U. S. v. Wade, supra, 87 S.Ct. at 1939.
The court in Wade continued by delineating certain salient factors to be considered in applying the test in the posture of a police station pretrial confrontation:
“Application of this test in the present context requires consideration of various factors; for example, the prior opportunity to observe the alleged criminal act, the existence of any discrepancy between any pre-lineup description, and the defendant’s actual description, any identification prior to lineup of another person, the identification by picture of the defendant prior to the lineup, failure to identify the defendant on a prior occasion, and the lapse of time between the alleged act and the lineup identification. It is also relevant to consider those facts which, despite the absence of counsel, are disclosed concerning the conduct of the lineup.” 87 S.Ct. at 1940.3
[531]*531In order to determine the origin of witness Downs’ in-court identification of appellants, we have examined the record at great length. In this regard, the record discloses sufficient and detailed evidence establishing that the witness’s in-court identification was based on his original observations of appellants immediately subsequent to the commission of the criminal event and not upon his recall of the defective police station identification. Since the witness’s in-court identification had an “ ‘independent origin exclusive of any connection with’ events occurring in the police station,” State v. Daugherty, supra, 486 P. 2d at 246, we conclude that the trial court properly admitted this identification into evidence. See Coleman v. Alabama, 399 U.S. 1, 90 S.Ct. 1999, 26 L.Ed.2d 387 (1970).
Crucial to our determination that the in-court identification was cleansed of the taint of the illegality of the police station identification are the factors that the witness descriptively demonstrated that he had an adequate, though brief, opportunity to observe, and in fact did observe appellants. The witness testified that although his principal purpose in driving in the alley toward the parked vehicle behind the Seven-Eleven Store was to get the license number of the vehicle, he also intended to and did record in his mind the appearance of the occupants of the vehicle. The witness’s pretrial description of appellants does not vary in any material detail from their actual appearance. The only other of the above quoted factors which comes into play in this case also militates against appellants’ position. The witness did not at any time identify any other persons as participants in the offense, and in fact never varied from his conclusion that the appellants were the persons whom he viewed the night of the offense. We do not find that any of the circumstances which rendered the police station identification impermissively suggestive preclude our finding that the in-court identification was properly admitted into evidence, and satisfied the due process requirements of Stovall and Kirby. Neither do we think it significant that the witness did not get a prolonged look at the occupants of the car as the witnesses did in State v. Daugherty, supra, and State v. Haggard, supra. The crucial aspect is not the length of the look, but the quality of it. The witness in the case at bar looked into the car, adequately lighted by its own dome lights and the bright headlight beam from the witness’s pickup, for the express purpose of viewing the defendants.
In sum, the prosecution sustained its burden of showing by clear and convincing [532]*532evidence that the in-court identification had as its source the actual observation of appellants on the night of the criminal offense. See United States v. Wade, supra, 388 U.S. at 240, 87 S.Ct. at 1939.
' We could conclude our discussion of this issue at this point if it were not for the fact that the evidence of the suggestive police station identification was injected into the trial. In view of our conclusion that the police station identification was defective, we must determine whether the testimony concerning such identification constituted prejudicial error requiring reversal of appellants’ convictions. We conclude that the admission of such evidence was not prejudicial to appellant, such admission being harmless error. Our finding of harmless error is predicated on two factors. Chapman v. California, 386 U.S. 18, 87 S.Ct. 824, 17 L.Ed.2d 705 (1967). First, the evidence of the police station identification is merely cumulative. We have previously concluded that the in-court identification had an independent source from the police station confrontation and was therefore properly admissible. Given this error-free positive identification, the second hand relation of the police station identification by a police officer witness at trial was not of sufficient consequence to have materially affected the overall probative effect of the evidence of guilt.
Secondly, the evidence of the police station confrontation by witness Downs was not offered by the prosecution, but was exposed at the trial by questions asked on cross examination of police officer Hupe by appellant Sever’s counsel. Given the fact that the appellants, not the prosecution, opened up this subject of the defective police station identification, coupled with the fact that such evidence was merely cumulative in the light of Downs’ positive in-court identification, any error was invited by the defense and was harmless.
One further issue raised by appellant Sadler merits comment. Appellant Sadler contends that the state withheld, in the form of a police investigation report, information which could have aided him in the preparation of his defense. According to Sadler, that report contained information of discrepancies in witness Downs’ description of appellants and their actual appearance which could have assisted Sadler’s counsel in impeaching Downs. In addition, Sadler contends that the report reveals inconsistent statements made by State witnesses who testified about appellant’s absence from the Iron Gate Bar where appellants, as their alibi, contended they were located at the time of the robbery. Although it is the duty of the prosecution to make available to the defense all evidence which tends to aid in ascertaining the truth, State v. Harwood, 94 Idaho 615, 495 P.2d 160 (1972), we can find no prejudicial error arising out of the failure of the prosecution to supply the defense with the police investigation report at the trial stage of the proceedings. We are controlled by the rule propounded by the United States Supreme Court in Brady v. Maryland, 373 U.S. 83, 83 S.Ct. 1194, 10 L.Ed.2d 215 (1963) :
“We now hold that the suppression by the prosecution of evidence favorable to an accused upon request violates due process where the evidence is material either to guilt or to punishment, irrespective of the good faith or bad faith of the prosecution.” (Emphasis added).
It is apparent that the prosecution’s duty in this regard does not arise by the mere decision to prosecute, but only when requested by the defense to supply such evidence in the possession of the prosecution. See Williams v. Dutton, 400 F.2d 797 (5th Cir. 1968) cert. denied 393 U.S. 1105, 89 S.Ct. 908, 21 L.Ed.2d 799 (1969) (wherein it is stated, “It is now clear that Brady imposes an affirmative duty on the prosecution to produce at the appropriate time requested evidence which is materially favorable to the accused either as direct or impeaching evidence.”) Cf. United States v. Eley, 335 F.Supp. 353 (N.D.Ga.1972). Since neither the record nor the contentions of appellants on appeal reveal any type of request [533]*533for the report at issue, we conclude that no due process violation was occasioned by the failure of the prosecution to volunteer this report to appellants.
Judgments of conviction affirmed.
DONALDSON, C. J., and McQUADE, J., concur.