Whether expert evidence based on or involving assorted forms of generally-discredited science or specialized knowledge is sufficiently reliable to be admissible under Federal Rule of Evidence 702 or comparable State rules

Tompkins v. Cyr, 202 F.3d 770, 779 (5th Cir. 2000) (upholding trial court's admission of the testimony by Mrs. and Dr. Tompkins about the anonymous threats because "neither the testimony as to the threats, the....If some human utterance has legal significance under applicable substantive law and the utterance is offered to establish that a verbal act having such legal significance has taken place, the utterance is not hearsay under Federal Rule of Evidence 801(c) or a "statement" for purposes of Federal Rule of Evidence 801(a)(2) even if the utterance also contains an assertion or appears to contain an an assertion.

Cf. United States v. Nguyen, 465 F.3d 1128, 1131-1132 (9th Cir. 2006) (reversing conviction for willful failure to comply with the terms of a release under supervision agreement because the trial court erred in admitting into....There is a hearsay exception for evidence of a final judgment, entered after a trial or upon a plea of guilty (but not upon a plea of nolo contendere), adjudging a person guilty of a crime punishable by death or imprisonment in excess of one year, to prove any fact essential to sustain the judgment, but not including, when offered by the Government in a criminal prosecution for purposes other than impeachment, judgments against persons other than the accused.

United States v. Blount, 364 F.3d 173, 181 (4th Cir. 2004) (upholding trial court's admission into evidence of the (1) testimony of the district court's deputy clerk relating to an incident in the Clerk's office before trial, and (2) mother's plea agreement where the testimony was offered "to prove that...Evidence of a criminal or wrongful act apart from the act that at issue at trial Is not barred by the prohibition against circumstantial use of character if intent, knowledge, mistake, or accident is a legally-material factual issue, the opposing party suggests the non-existence of knowledge or urges mistake or accident as a defense, and evidence of another crime, wrong, or act is offered to prove the knowledge or the absence of mistake or accident by a criminal defendant or other person.