A witness may not be impeached with evidence that they have been investigated or audited.{footnote}People v. Pratt, 759 P.2d 676, 681 (Colo. 1988) (audit of Medicaide irregularities by Social Services agency not proper subject for cross-examination of defense witness).{/footnote}  Cf. CHARACTER § 7.  Impeachment of Character Witnesses; CONVICTIONS.  See also ARRESTS; INVESTIGATION; OTHER ACTS OR OCCURRENCES; PROSECUTION.