Evidence - BAR EXAM 2026

In what situations must a federal court sitting in diversity apply state evidence law instead of the Federal Rules of Evidence?

When applying privileges, Dead Man's Acts, or presumptions.

What types of privileges must federal courts apply?

Privileges recognized in state law, such as Physician-Patient and Accountant-Client.

What are the two types of burdens a party may bear in a case, and what are the applicable standards of proof in civil and criminal cases?

Burden of Production and Burden of Persuasion; Civil: Preponderance of Evidence, Criminal: Beyond a Reasonable Doubt.

What is the main presumption tested on the MBE, and how must a judge instruct the jury regarding presumptions in criminal cases?

The Mail Delivery Presumption; the judge must instruct that the jury may regard the basic facts as sufficient evidence.

What types of facts may a court take judicial notice of?

Manifest facts, notorious facts, and laws/regulations.

What is the effect of judicially-noticed facts in civil vs. criminal cases?

In civil cases, the jury must accept them as conclusive; in criminal cases, the jury may accept but is not required to.

What is the general rule under Rule 402 regarding the admissibility of relevant evidence?

All relevant evidence is admissible unless excluded by the U.S. Constitution, federal statute, Federal Rules of Evidence, or Supreme Court rules.

Under Rule 403, what two elements must evidence meet to be considered relevant?

Probative value and material value.

When may a court exclude otherwise relevant evidence under Rule 403?

If its probative value is substantially outweighed by dangers such as unfair prejudice, confusing the issues, or wasting time.

What does the 'Opening the Door' doctrine affect regarding admitting evidence?

It allows the opposing party to introduce otherwise inadmissible evidence to rebut, explain, or clarify an issue.

What are the key public policy exclusions of evidence derived from the Federal Rules of Evidence?

Prior occurrences, plaintiff's history of false claims, similar accidents, subsequent remedial measures, compromise negotiations, offers to pay medical expenses, pleas, and liability insurance.

When is evidence of general prior occurrences inadmissible, and what are the permitted uses of such evidence?

Inadmissible to show carelessness; admissible to show intent, absence of mistake, business routine, industry custom, causation, and value.

When is evidence of a plaintiff's history of false claims or prior accidents inadmissible, and when is it admissible?

Inadmissible to show carelessness; admissible to show a condition likely the source of damage or patterns of fraudulent claims.

When is evidence of other accidents involving the defendant inadmissible, and when is it admissible?

Inadmissible to show carelessness; admissible to prove existence of a dangerous condition, causation, and notice.

What happens to evidence of subsequent remedial measures taken after an injury?

It is not admissible to prove negligence, a defect, or a need for a warning.

When is evidence of subsequent remedial measures admissible?

When proving possibility, ownership, control, or feasibility of precautionary measures.

When is evidence of subsequent remedial measures inadmissible?

To prove that the opposing party has destroyed evidence.

What is an example of admissible evidence of subsequent remedial measures?

A car manufacturer installs a brake fix after a crash to show feasibility.

What evidence is inadmissible during compromise negotiations?

Furnishing, promising, or offering valuable consideration to compromise a claim.

What is an example of admissible evidence from compromise negotiations?

Proving a party's bias or prejudice.

When is evidence of offers to pay medical expenses inadmissible?

To prove liability for the injury.

What can make an offer to pay medical expenses admissible?

Accompanying statements that are not part of a settlement negotiation.

What is the difference in admissibility between an offer to pay medical expenses alone and with a settlement offer?

An offer with a settlement offer is inadmissible, including related statements.

What types of pleas are inadmissible against a defendant?

Withdrawn guilty pleas and nolo contendere pleas.

When can statements from plea discussions be admissible?

If one statement has already been admitted or in a perjury proceeding.

What is the general principle of evidence authentication under the Federal Rules of Evidence?

Evidence must be authenticated unless self-authenticating under Rule 902.

What standard must be met to authenticate evidence?

Produce evidence sufficient to support a finding that the item is what it claims to be.

How can handwriting be authenticated?

By a non-expert with prior familiarity or by comparison with an authenticated specimen.

How can a voice be authenticated?

Any person familiar with the voice may authenticate it.

What is the Reply Letter Doctrine?

A letter may be authenticated by showing it was written in response to a prior communication.

What are the requirements for a document to be deemed authenticated under the Ancient Documents Rule?

Must be 20+ years old, present no facial irregularities, and found in a natural place of custody.

How is a non-unique item authenticated?

Requires a chain of custody to establish it is the same item involved in the events.

How can an outgoing telephone call be authenticated?

If the call was made to a number assigned to the person and they identified themselves.

What are two ways an incoming telephone call can be authenticated?

If the speaker identified themselves or was recognized by their voice.

What methods can be used to authenticate a photograph?

Testimony of the photographer, a witness who viewed the scene, or other evidence showing fairness and accuracy.

What types of evidence are considered self-authenticating under Federal Rule of Evidence 902?

Public documents, official publications, certified electronic outputs, and items declared presumptively authentic by federal statute.

What does the Best Evidence Rule (Rule 1002) require?

It requires bringing the original document when proving its content.

When does the Best Evidence Rule (BER) apply?

When proving the actual contents of a writing, recording, or photograph.

When does the Best Evidence Rule (BER) not apply?

When proving facts like a contract was signed or a video was observed.

Under Rule 1003, when are duplicates admissible as evidence?

Duplicates are admissible unless their authenticity is challenged or admitting them is unfair.

What are valid excuses for not producing the original document under Rule 1004?

The original was lost/destroyed, cannot be obtained, opponent had control and didn't produce it, or it is not closely related to a controlling issue.

What does Rule 1006 say about the use of summaries, charts, or calculations?

They are admissible to prove the existence/content of voluminous materials, but originals/duplicates must be available for inspection.

What is the Rule of Completeness?

If part of a writing or recorded statement is introduced, the adverse party may require the introduction of any related part that should be considered.

Under Rule 1007, when can a party's testimony be used to prove the content of a document?

When offered against that party.

Who decides factual disputes related to the Best Evidence Rule under Rule 1008?

The jury decides factual disputes, while the judge rules on admissibility.

What are the general competency requirements for a witness to testify?

Personal knowledge, memory, communication ability, and sincerity (oath/affirmation).

Under what conditions can a lay witness provide opinion testimony?

The opinion must be rationally based, helpful to the trier of fact, not a legal conclusion, and not based on specialized knowledge.

What are the conditions for an expert witness to provide opinion testimony?

The testimony must be helpful, the witness must be qualified, the opinion must be believed to a reasonable degree of certainty, and based on reliable principles.

What is required for a learned treatise to be read into evidence?

It must be relied on by an expert and established as reliable authority.

How may learned treatises be used by experts during trial?

They can be read aloud but cannot be admitted as exhibits.

What types of opinions regarding a defendant's mental state are prohibited for lay witnesses?

Lay witnesses cannot opine on the defendant's mental state if it is an element of the crime or defense.

Can an expert witness opine on a defendant's mental state in a criminal trial?

No, if that mental state is an element of the crime or defense.

What are the two main methods allowed to assist a lay witness who cannot remember evidence?

Present recollection refreshed and recorded recollection.

What is present recollection refreshed, and how may a witness use it during testimony?

It temporarily aids the witness's memory without entering the document into evidence.

What are the opponent's rights regarding a witness's memory-refreshing item if the memory is refreshed before trial?

The opponent may inspect, copy, and use the item before trial.

What are the opponent's rights regarding a witness's memory-refreshing item if the memory is refreshed at trial?

The opponent may inspect the item, cross-examine the witness about the refreshed memory, and offer the item into evidence.

What is recorded recollection and when is it used?

It occurs when a witness cannot recall a fact fully even after refreshment, and their prior accurate record is read into evidence.

What are the requirements for admissibility of a recorded recollection?

1. The witness's present recollection cannot be refreshed. 2. The witness had personal knowledge of the matter recorded. 3. The record was made or adopted by the witness when the event was fresh in their memory. 4. The record accurately reflects the witness's knowledge.

What is the rule regarding the admission of a recorded recollection as evidence and as an exhibit?

The recorded recollection may not be received as an exhibit unless offered by the opposing party.

What is impeachment, and how does it differ from substantive evidence?

Impeachment is introduced to undermine the credibility of a witness's testimony, while substantive evidence is introduced to prove or disprove elements of the case.

When are impeachment methods or evidence allowed to be used both for impeachment and substantively to prove the case?

Only prior inconsistent statements (PIS) meet that threshold of reliability.

List all main methods of impeachment.

1. Contradictory facts rendering testimony impossible. 2. Bias, interest, or motive to lie. 3. Reputation or opinion for untruthfulness. 4. Prior bad acts (not convictions) related to untruthfulness. 5. Prior convictions. 6. Prior inconsistent statements (PIS). 7. Other impeachment (non-collateral/residual category).

How can contradictory facts be used to impeach a witness's testimony?

By showing that their testimony is contradicted by known or provable facts.

In what ways can a witness's bias, interest, or motive to lie be used for impeachment?

By showing they have a personal interest, relationship, or bias that affects their credibility.

How can a witness's reputation or another person's opinion be used to impeach their credibility in court?

By extrinsic evidence of their bad reputation for truthfulness or by another's opinion that they are untruthful.

When and how may a witness be impeached by prior bad acts that did not result in a conviction?

By extrinsic evidence of specific instances of misconduct during cross-examination.

When is a witness's prior conviction for a crime involving dishonesty or false statement admissible for impeachment purposes?

Such evidence is always admissible to impeach any witness.

When is a prior felony conviction not admissible to impeach a witness? Is there any exception?

Admissible only if the probative value outweighs the prejudicial effect, except if the felony is punishable by less than 1 year.

When is a conviction more than 10 years old admissible for impeachment, and what procedural requirement must be met?

Presumptively inadmissible unless probative value substantially outweighs prejudicial effect, and the adverse party is given reasonable written notice.

What is the residual (non-collateral) category of impeachment, and when is it allowed?

It is allowed if the evidence is not substantive and is relevant to testing the witness's knowledge, perception, or memory.

What is a prior inconsistent statement and when is it admissible for impeachment?

A statement inconsistent with present testimony, admissible when used solely for impeachment purposes.

What is a Prior Inconsistent Statement (PIS)?

A statement made by a witness that contradicts their testimony.

Can a PIS be used as substantive evidence?

Yes, under certain exceptions.

What are the exceptions for using a PIS substantively?

1) PIS made under oath at a prior proceeding; 2) PIS made informally at a prior proceeding; 3) An opposing party's own admission.

Who is the declarant when a PIS is made under oath at a prior proceeding?

A non-party/third-party witness.

What is the permitted use of a PIS made under oath?

Impeachment and substantive use.

Who is the declarant when a PIS is made informally?

A non-party/third-party witness.

What is the permitted use of a PIS made informally?

Impeachment use only.

Who is the declarant when a PIS is made by an opposing party's own admission?

The opposing party.

What is the permitted use of an opposing party's own admission?

Impeachment and substantive use.

Which PIS are subjected to hearsay rules?

1) PIS made under oath at a prior proceeding; 2) An opposing party's own admission.

Does the Confrontation Clause apply to the introduction of testimonial statements during impeachment?

No, it does not apply when introduced solely for impeachment purposes.

When a witness is impeached, do they have the right to confront the proponent of the impeaching evidence?

Yes, they have the right to be confronted on cross-examination.

What are the exceptions to the right of confrontation following impeachment?

1) If the testifying declarant is unavailable; 2) When impeachment is based on prior acts of misconduct.

Why are hearsay statements inadmissible?

Because they cannot be tested on the spot through cross-examination.

What is the general definition of a hearsay statement under Rule 801?

An out-of-court statement offered to convince the judge or jury that the facts described really happened.

What are the five elements that must be met for evidence to be considered hearsay under Rule 801?

1) Evidence is a statement; 2) Statement is made by a person; 3) Statement is made outside of court; 4) Statement is offered for the truth of the matter asserted; 5) The value of the statement depends on the declarant's credibility.

What qualifies as a 'statement' under the hearsay rule?

Any verbal or nonverbal conduct intended as an assertion.

What is required for a statement to qualify as hearsay?

The statement must be made by a human being, called the declarant.

Who is the declarant in hearsay analysis?

The person who made the statement, distinct from the witness testifying.

How does a testifying declarant differ from a declarant?

A testifying declarant is the person currently on the stand, testifying about their own statement.

What is hearsay?

A statement made outside of court offered to prove the truth of the matter asserted.

What qualifies a statement as hearsay?

It is hearsay if it is offered to prove that the factual content inside the statement is accurate.

What is a testifying declarant?

A declarant who is also a witness testifying in court.

What is the difference between a declarant and a testifying declarant?

A declarant can be anyone who makes a statement, while a testifying declarant is specifically the one on the stand.

What is the 'truth of the matter asserted'?

It refers to the factual content of a statement that is being offered as proof.

When is a statement not considered hearsay?

If its value does not rely on the truthfulness of the speaker.

What are the three analytical steps to determine if a hearsay statement is admissible?

1. Check if it is hearsay. 2. Check for applicable exceptions. 3. Evaluate any additional statements.

What is a hearsay exemption?

A situation where a statement appears to be hearsay but does not meet the hearsay definition.

What types of expressions do not qualify as statements under Rule 801?

Questions, imperatives, nonassertive conduct, silence, and crying.