Tribble v. Evangelides
Federal 7th Circuit Court
Civil Court
Expert Witness
In section 1983 action alleging that defendants-police officers subjected plaintiff to false arrest and illegal search, which resulted in drug possession charges involving small quantity of drugs that were eventually non-suited by prosecution, Dist. Ct. erred in allowing testimony of Ass't. State's Attorney, who testified on behalf of defendants and indicated existence of practice of non-suiting large number of cases in courtroom where defendant had his charge dismissed due to small quantity of drugs at issue in said charge. Testimony given by Ass't. State's Attorney was in essence expert witness opinion testimony, and thus, should have been stricken under Rule 37(c)(1) where, as here, defendants had failed to identify said witness as expert, as required by Rule 26(a)(2). Moreover, defendants' failure to identify said witness was prejudicial since: (1) plaintiff was unprepared to effectively challenge witness' competency to testify about percentage of drug cases that were dismissed without court resolving merits of cases; and (2) plaintiff was operating under impression that Dist. Ct. would not allow defendants to provide evidence regarding why plaintiff's drug charge was dismissed where Dist. Ct. had issued pre-trial ruling on said issue.