Witnesses Flashcards
True or False: Every witness is presumed competent?
True. Unless proven otherwise
In diversity cases, how is witness competence determined?
By state law.
Rule 602 - Re. lay witnesses
Lay witnesses must have personal knowledge and they cannot speculate or hypothesize.
- expert witnesses can speculate or hypothesize
Rule 603 (oath)
Witnesses must take an oath or an affirmation to impress a duty of conscience.
Must interpreters take an oath?
yes, (604)
Are judges allowed to be witnesses?
Not at a trial over which they preside. Rule 605
- there is no objection required because this is a plain error.
Are jurors allowed to be witnesses in the trial they are a juror for?
Not at trial in front of their co-jurors.
- opposing counsel must be given opportunity to object outside the presence of the jury.
After a trial what are jurors prohibited from testifying about?
1) statements made during deliberation
2) effect of anything on a juror’s particular vote
3) a juror’s mental process
After the trial, what may a juror testify about?
1) Existence of extraneous prejudicial information that was brought in
2) Outside improper influences
3) Mistake in entering the verdict on the form. (Doesn’t extend to mistakes about the consequences of a verdict)
When may a child be a witness?
When the court decides the child has competency by weighing:
1) Intelligence
2) Ability to distinguish between truth and falsehood
3) Understanding the importance of telling the truth
What is a dead man statute?
A statute that prohibits a party that has a financial interest in a civil case from testifying about a communication or transaction with a dead person whose estate is a party to that suit when the alleged communication is adverse to the estate.
Is there a federal dead man’s statute?
No.
Who may impeach a witness?
Any party - even the party calling the witness.
What are the bases for challenging a witnesses’ credibility?
1) Bias
2) Character for untruthfulness
3) Inability to perceive what they’re testifying about
4) prior inconsistent statements
5) another contradictory witness or evidence
How can you impeach a witness’s character for truthfulness?
1) Reputation
2) Opinion
3) Specific Instances
When can a party introduce evidence showing a witness’s character for truthfulness
Only after it has first been attacked.
When can specific instances of conduct be used to show untruthfulness of a witness?
On cross specific instances can be asked about if its regarding truthfulness of the witness or another witness about whose character the witness being cross-examined testified.
What are the limits on cross-examination regarding specific instances of conduct?
1) Must have a good faith belief in prior misconduct
2) may not cross-examine a witness about an arrest, but may about the underlying conduct that led to the arrest.