Rule 704. Opinion on an Ultimate Issue
Effective January 1, 2014
(a) In General—Not Automatically Objectionable.
Testimony in the form of an opinion or inference otherwise admissible is not objectionable just because it embraces an ultimate issue.
(b) Exception.
Witnesses may not testify to opinions concerning intent, guilt, or innocence in a criminal case; the truth or falsity of allegations; whether a witness has testified truthfully; or legal conclusions.