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Prior consistent statements and prior inconsistent statements


Prior consistent statements and prior inconsistent statements, in the law of evidence, occur where a witness, testifying at trial, makes a statement that is either consistent or inconsistent, respectively, with a previous statement given at an earlier time such as during a discovery, interview, or interrogation. The examiner can impeach the witness when an inconsistent statement is found, and may conversely bolster the credibility of an impeached witness with a prior consistent statement.

Before the witness can be impeached the examiner must have extrinsic evidence of the prior statement. The examiner must also provide the witness with the opportunity to adopt or reject the previous statement.

In the majority of U.S. jurisdictions, prior inconsistent statements may not be introduced to prove the truth of the prior statement itself, as this constitutes hearsay, but only to impeach the credibility of the witness.

However, under Federal Rule of Evidence 801 and the minority of U.S. jurisdictions that have adopted this rule, a prior inconsistent statement may be introduced as evidence of the truth of the statement itself if the prior statement was given in live testimony and under oath as part of a formal hearing, proceeding, trial, or deposition.

A prior consistent statement is not a hearsay exception, the FRE specifically define it as non hearsay. A prior consistent statement is admissible:

There is no requirement that the prior consistent statement have been made under oath at a prior trial or hearing.

A form of prior consistent statement excepted from this rule is that of prior identification by the witness of another person in a lineup.


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