Witnesses Flashcards
What is required for a competent witness?
BOTH:
• personal knowledge, and
•oath or affirmation
What is a dead man’s statute? Does it apply under the Federal Rules?
in a civil action, an interested witness is incompetent to testify:
• in own interest…
• against estate of decedent…
• concerning communications or transactions between the witness and decedent
The statute does not apply under the federal rules
Generally, when are leading questions allowed and not allowed?
NOT ALLOWED: direct examination
ALLOWED: cross-examination
When are leading questions allowed on direct examination?
- preliminary/introductory matters
- youthful/forgetful witness
- hostile witness
- adverse party or someone under his control (presumed hostile)
What is the rule regarding refreshing a witness’s memory?
- If a witness’s memory fails him, he may be shown any tangible item to refresh his memory, but the party may not introduce the refreshing item
- the opposing party may inspect the item, use it on cross-examination, and introduce it into evidence
What is the rule for past recollection recorded?
It is a hearsay exception, allowed if (satisfy all):
•writing fails to jog witness’s memory
•witness had personal knowledge formerly
• witness made or adopted writing
• making/adoption occurred while event was fresh in witness’s memory
• witness can vouch for accuracy of writing when made/adopted
When is lay person opinion evidence admissible?
When it is both:
•rationally based on witness’s perception (personal knowledge), and
• would be helpful to jury
What are the three requirements for expert witness opinion testimony?
(1) Qualifications (education and/or experience)
(2) Proper subject matter (specialized knowledge that will be helpful to jury in deciding a fact)
(3) Opinion based on reasonable degree of probability/certainty, drawn from either (i) personal knowledge, (ii) other evidence admitted at trial, or (iii) facts outside the record (hearsay) if of a type reasonably relied upon by experts in the particular field
What factors determine whether expert’s methods are reliable to reach their opinions?
- Testing of principles and methods
- Rate of error
- Acceptance by other experts in some discipline (general acceptance not required)
- Peer review/publication
How may a learned treatise be used in aid of expert testimony?
(hearsay exception)
DIRECT EXAM: read into evidence to corroborate expert (substantive evidence)
CROSS EXAM: read into evidence to impeach and contradict opponent’s expert (substantive evidence)
LIMITATION: may not be introduced as exhibit
Is opinion on an ultimate issue admissible?
Yes, but like other opinion testimony, it must be helpful to the jury.
EXCEPTION: in criminal cases, expert can’t testify directly to a criminal defendant’s mental state
What subject matter is allowed on cross-examination?
BOTH:
• matters within the scope of direct examination, and
• matters that test the witness’s credibility
When is a party allowed to bolster his own witness’s credibility?
Not until the witness’s credibility was attacked.
If a witness has not had her credibility attacked, when may prior CONSISTENT statements be introduced?
When the witness made a prior identification of a person (must also testify at trial and be subject to cross examination)
What methods of impeachment cannot be proven with extrinsic evidence?
- Prior bad acts
* Collateral contradictory facts