Impeachment of Witnesses Flashcards
Impeachment Defined
Challenge to witness’s test. based on:
- Char. for truthfulness
- Bias
- Ability to perceive/testify accurately
- Contradictory prior statement OR
- Another Witness
Who may impeach a Witness?
Credibility of a witness may be attacked by any party, including the party calling him
How can a Witness’s Character for Truthfulness be attacked?
- By use of Reputation and opinion Testimony
- Specific Instances of Conduct
- Evidence of truthful char. of the wit. admiss. ONLY after char. for truthfulness has been attacked
Witness’s Character for Truthfulness - Reputation & Opinion Testimony
- Testimony must be about the witness’s reputation for having a character for untruthfulness, or
- In the form of an opinion of the witness’s char. for untruthfulness
Witness’s Character for Truthfulness - Truthful Character Evidence
- Credibility of Witness can’t be bolstered in advance of an attack
- Ev. of truthful char. of wit. admiss. only after his char. for truthfulness has been attacked
Witness’s Character for Truthfulness - Specific Instances of Conduct
Only on Cross-Examination
- Generally, not admiss. to attack or support the witness’s char. for truthfulness
- On cross, wit. may be asked about specific instances of conduct if its probative of the truthfulness or untruthfulness of
- The witness or
- Another witness about whose char. the wit. being crossed has testified
Specific Instances of Conduct - Limitations
- Probative value is subst. outweighed by the danger of unfair prejudice (Fed. Rule 403)
- Protection of witness from harassment or undue embarassment (Fed. Rule 611)
- Lawyer who examines wit. must have good faith basis for believing that the misconduct occurred b/f asking wit. about it
Specific Instances of Conduct - Arrest
- Witness can’t be cross-examined about being arrested solely for purpose of impeaching the witness’s char. for truthfulness
- BUT can be cross-examined about the underlying conduct that lead to the arrest
Specific Instances of Conduct - Witness denies specific Act on Cross
- When on cross, witness denies specific act
- Extrinsic Evidence is NOT admiss. to prove specific act in order to attack or support witness’s char. for truthfulness
- Exception - Criminal Convictions
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- Exception - Criminal Convictions
When is extrinsic evidence admissible
- Ext. Ev. of Specific Conduct is Always admissible to impeach a witness on other grounds
- Bias or prejudice
- Sensory defects
- Prior Inconsistent Statements
- Bad char. of witness
- NOT to prove the conduct in order to attack or support witness’s character for truthfulness
Sensory Competence
Can be impeached for deficiency in testimonial capactities:
- inability to observe,
- communicate, or
- remeber
By demonstrating that the wit. is phys. or mentally impaired or through ev. of outside interference w/ wit. abilities
- e.g. Thunder impeding ability to hear or darkness impeding ability to see
Bias or Prejudice Evidence
Can be used to impeach witness b/c relevant to credibility - Wit. may be influenced by:
- relationship to a party (Family, Employment)
- Interest in the outcome (Receipt of inheritence)
- Interest in Testifying (avoidance of prosecution)
Evidence of Prior Inconsistent Statements
Can be used to impeach if a witness’s prior statement is inconsistent w/ material part of the witness’s testimony
- Extrinsic Ev. of prior inconsitent statement admissible only if:
- Witness has chance to explain/deny statement and
- Opposing party can examine witness about it
Evidence of Prior Inconsistent statement - Exception to opportunity to explain requirement
Opportunity to explain/deny prior inconsist. st. doesn’t apply when the statement:
- Impeaches a hearsay declarant or
- Qualifies as an opposing party’s statement
What is a collateral Matter?
Evidence solely affecting the credibility of a witness