A person's other crimes, wrongs, or acts are inadmissible if they are offered to show the character, or propensity, of that person in order to show that that person engaged in some specific behavior on a specific occasion.

Fed. R. Evid. 502(a) & (b) ("(b) Inadvertent disclosure. When made in a Federal proceeding or to a Federal office or agency, the disclosure does not operate as a waiver in a Federal or State proceeding if: the disclosure is inadvertent; the holder of the privilege or protection took reasonable steps to prevent disclosure; and the...A waiver of the attorney-client privilege does not result if a protected communication is inadvertently disclosed during formal discovery not by inadvertent disclosure during formal discovery even though reasonable steps were taken to prevent such inadvertent disclosure.

Cohen v. Brown University, 101 F.3d 155, 185 (1st Cir. 1996) (affirming the district court's ruling which limited the cross-examination of plaintiff's expert witness).Apart from a party's right to impeach a witness, the permissible scope of a party's cross-examination of a witness following the testimony of the witness on direct examination for an opposing party is limited to the subject matter of the testimony of the witness on direct examination.

United States v. Layne, 973 F.2d 1417, 1422 (8th Cir. 1992) (upholding trial court's admission into evidence of defendant's theft convictions because they were "sufficiently authenticated documents of court....Federal Rule of Evidence 901(b)(9) and comparable State rules provide that the result of a process or system may be authenticated by evidence which (a) describes the process or system used to produce the result and (b) shows that the process or system produces an accurate result.