witnesses Flashcards
Witnesses
Competency Leading questions Writings in aid of oral testimony Opinion testimony Cross examination
Witnesses
competency
Testimonial qualifications in order to testify:
- Personal knowledge - saw w/own eyes or heard w/own ears
- Oath or affirmation - willingness to tell the truth
Witnesses
competency - Dead Man’s Statute
CIVIL ONLY
Interested witness is INCOMPETENT to testify against the estate of a DECEDENT concerning a transaction or communication between interested witness and decedent.
Witnesses
leading questions
Form of question suggests the answer
Not allowed on direct but allowed on cross
EXCEPTION on direct:
preliminary introductory witness
youthful or forgetful witness
hostile witness
witness is adverse party or someone under control of opposing party
Witnesses
writings in aid of oral testimony
Refreshing recollection
Past recollection recorded
Witnesses
writings in aid of oral testimony
refreshing recollection
Rule: Witness may not read from prepared memorandum and must testify on basis of current recollection.
BUT, if witness’s memory fails, he may be shown a memorandum or other tangible item to jog his memory
Witnesses
writings in aid of oral testimony
refreshing recollection
safeguards against abuse
As a safeguard against abuse of refreshing recollection, adversary has a right to:
- inspect the memory refresher
- use it on cross
- introduce it into evidence (must be authenticated)
Witnesses
writings in aid of oral testimony
past recollection recorded (hearsay exception)
Allows writing to be read to jury
Foundation for reading into evidence:
a. showing writing to witness fails to jog memory
b. witness had personal knowledge at former time
c. writing was either made or adopted by witness
d. making or adoption occurred while the event was still fresh in the witness’s memory
e. witness can vouch for accuracy of writing when made or adopted
Witnesses
Opinion testimony
Lay witness
Expert witness
Ultimate issues
Witnesses
Opinion testimony
lay witness
Lay opinion ADMISSIBLE if i) personal knowledge (rationally based on witness’s own perception) AND ii) helpful
Examples: drunk/sober, vehicle speed, sane/insane, emotions, odors, handwriting, character
Witnesses
Opinion testimony
expert witness
qualifications proper subject matter basis of opinion relevance and reliability learned treatise in aid of expert testimony
Witnesses
Opinion testimony
expert witness
qualifications
education and/or experience
Witnesses
Opinion testimony
expert witness
proper subject matter
Scientific, technical or other specialized knowledge that will be HELPFUL to jury in deciding fact.
An opinion is not helpful if the proposition is obvious.
Witnesses
Opinion testimony
expert witness
basis of opinion
Expert must have opinion based on reasonable degree of probability or reasonable certainty
3 permissible data sources
1. personal knowledge (treating physician)
2. other evidence in trial record (testimony by other witnesses, exhibits) made known to expert in HYPOTHETICAL question
3. facts outside record (hearsay) IF outside material is a type reasonably relied upon by experts in this particular field. In general, not detail - just general description
Witnesses
Opinion testimony
expert witness
relevance and reliability
To be ADMISSIBLE, expert opinion must be RELEVANT to the issue at hand and sufficiently RELIABLE.
Expert must use reliable methods and apply them reliably to the case facts.
Court will use 4 principal factors to determine reliability of principles and methodology used (TRAP)
T - testing and use
R - rate of error
A - acceptance
P - peer review and publication