Disinterested witness

DISINTERESTED WITNESS. One who has no interest in the cause or matter in issue, and who is lawfully competent to testify.
     2. In North Carolina and Tennessee, wills to pass lands must be attested by disinterested witnesses. See Attesting Witness; Competent Witness; Credible Witness; Respectable Witness, and Witness.

References in classic literature ?
And, sir, you are not a disinterested witness, we must bear in mind.
If this fact could be proved, on the testimony of a disinterested witness, the case against Arnold would be strengthened tenfold; and Lady Lundie might act on her discovery with something like a certainty that her information was to be relied on.
result suffered emotional distress beyond that which would be anticipated in a disinterested witness.
55) of course, defendant #1's representative waives his Dead Man's Act protection if he presents testimony from a disinterested witness about the collision, therefore opening the door to plaintiff and defendant #1 telling their side of the story.
If police conduct was too coercive or a statement was not voluntary, the recording provides an independent, disinterested witness on behalf of the suspect.
In the absence of physical injury or impact to a plaintiff himself [or herself], damages for emotional distress should be recoverable only if a plaintiff: (1) is closely related to the injury victim; (2) is present at the scene of the injury-producing event at the time it occurs and is then aware that it is causing injury to the victim, and (3) as a result, suffers emotional distress beyond that which would be anticipated in a disinterested witness.

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