Cite as: 514 U. S. 419 (1995)
Opinion of the Court
right here"). Nor, of course, would the harm to the State's case on identity have been confined to their testimony alone. The fact that neither Williams nor Smallwood could have provided a consistent eyewitness description pointing to Kyles would have undercut the prosecution all the more because the remaining eyewitnesses called to testify (Territo and Kersh) had their best views of the gunman only as he fled the scene with his body partly concealed in Dye's car. And even aside from such important details, the effective impeachment of one eyewitness can call for a new trial even though the attack does not extend directly to others, as we have said before. See Agurs, 427 U. S., at 112-113, n. 21.
B
Damage to the prosecution's case would not have been confined to evidence of the eyewitnesses, for Beanie's various statements would have raised opportunities to attack not only the probative value of crucial physical evidence and the circumstances in which it was found, but the thoroughness and even the good faith of the investigation, as well. By the State's own admission, Beanie was essential to its investigation and, indeed, "made the case" against Kyles. Tr. of Closing Arg. 13 (Dec. 7, 1984). Contrary to what one might hope for from such a source, however, Beanie's statements to the police were replete with inconsistencies and would have allowed the jury to infer that Beanie was anxious to see Kyles arrested for Dye's murder. Their disclosure would have revealed a remarkably uncritical attitude on the part of the police.
If the defense had called Beanie as an adverse witness, he could not have said anything of any significance without being trapped by his inconsistencies. A short recapitulation of some of them will make the point. In Beanie's initial meeting with the police, and in his signed statement, he said he bought Dye's LTD and helped Kyles retrieve his car from the Schwegmann's lot on Friday. In his first call to the po-
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