A witness may testify to a matter only if evidence is introducedsufficient to support a finding that the witness has personal knowledge of thematter. Evidence to prove personal knowledge may consist of the witness?s owntestimony. This rule does not apply to a witness?s expert testimony under
Original AdvisoryCommittee Note. This rule is the federal rule, verbatim, and embodies thesubstance of Rule 10, Utah Rules of Evidence (1971).