27-602. Rule 602. Lack of personal knowledge; witness may not testify; evidence.

A witness may not testify to a matter unless evidence is introduced sufficient to support a finding that he has personal knowledge of the matter. Evidence to prove personal knowledge may, but need not, consist of the testimony of the witness himself. This rule is subject to the provisions of section 27-703, relating to opinion testimony by expert witnesses.

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Annotations

Under this section and sections 27-701 and 27-702, it is improper for a witness to testify whether another person may or may not have been telling the truth in a specific instance. State v. Rocha, 295 Neb. 716, 890 N.W.2d 178 (2017).

Under this section, lay witnesses may testify only as to factual matters based upon their personal knowledge. State v. Rocha, 295 Neb. 716, 890 N.W.2d 178 (2017).

A party's "assumption" of a fact confesses the absence of personal knowledge of the fact. Sulu v. Magana, 293 Neb. 148, 879 N.W.2d 674 (2016).

Inadequate foundation for personal knowledge was cured on cross-examination when opposing counsel questioned witness regarding matter for own purposes beyond explaining or rebutting the original evidence. State v. Rieger, 260 Neb. 519, 618 N.W.2d 619 (2000).

It was not necessary for a police officer to remember the name of a person to whom he administered a photographic array in order to have personal knowledge of that person's photographic identification. State v. Rieger, 260 Neb. 519, 618 N.W.2d 619 (2000).

In establishing foundation for test results, a witness may not testify as to whether laboratory protocols were followed unless the witness has personal knowledge of the matter, i.e., the witness performed the test or witnessed the test being performed. State v. Jackson, 255 Neb. 68, 582 N.W.2d 317 (1998).

A witness testifying to objective facts must have had means of knowing the facts from the witness' personal knowledge. State v. Kirksey, 254 Neb. 162, 575 N.W.2d 377 (1998).

A witness may not testify about the custody procedures used by a police department unless evidence is introduced to show that he or she has personal knowledge of the matter. State v. Smith, 238 Neb. 111, 469 N.W.2d 146 (1991).

A witness may not testify to a matter unless evidence is introduced sufficient to support a finding that he has personal knowledge of the matter. The record supported a conclusion that the deponent did not possess or could not articulate personal knowledge. State v. Irish, 223 Neb. 578, 391 N.W.2d 137 (1986).

Testimony concerning observations of conduct, behavior in terms of false perceptions, or mistaken ideas, is controlled by the personal knowledge provision of this section. State v. Norfolk, 221 Neb. 810, 381 N.W.2d 120 (1986).