Section 400.710  Opinion Testimony by Lay Witnesses

If the witness is not testifying as an expert, the witness' testimony in the form of opinions or inferences is limited to those opinions or inferences that are:

a)         rationally based on the perception of the witness;

b)         helpful to a clear understanding of the witness' testimony or the determination of a fact in issue; and

c)         not based in scientific, technical or other specialized knowledge within the scope of Section 400.715(a). (Il. Mil. R. Evid. 701)