Colorado CRE 702: Governs admission of Expert Testimony.
Trial Courts granted broad discretion in determining admissibility of expert testimony. People v. Ramirez, 155 P. 3d 371, 380 (Colo. 2007)
Trial court will not be overturned unless decision is "manifestly erroneous."
CRE 702 requires a "broad" and "liberal" inquiry into the admissibility of expert witness testimony. People v. Shreck, 22 P. 3d 68, 77-78 (Colo. 2001)
"...exclusion of relevant and competent evidence offered in defense of a criminal charge is a severe sanction, implicating as it does the defendant's right to present a defense and ultimately a right to a fair trial." People v. Hampton, 696 P. 2d 765, 778 (Colo. 1985)
"...an expert may be qualified by any one of the five factors specified in the rule: knowledge, skill, experience, training, or education." Huntoon v. TCI Cablevision of Colo., 969 P. 2d 681, 690 (Colo. 1998)
"...a qualified witness need not hold a specific degree, training certificate, accreditation, or membership in a professional organization."
"In making its determination, a trial court should assess the witness's qualifications in the context of the evidence that is presented to the jury." Shreck, 22 P. 3d at 77; Campbell v. People, 814 P. 2d 1, 7-8 (Colo. 1991)
"The trial court retains broad discretion to evaluate on a case-by-case basis whether the testimony in question would assist the trier of fact to understand the evidence or to determine a fact in issue."