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Leonard, William Thomas
2012 Tex. Crim. App. LEXIS 1598
| Tex. Crim. App. | 2012
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Background

  • Leonard pled guilty to injury to a child in 2004 and was placed on deferred-adjudication community supervision for five years.
  • Terms required completion of sex offender treatment and counseling, with costs, and to complete within three years with at least one-third per year.
  • A polygraph requirement stated Leonard must submit to and show no deception on polygraph examinations; nonpayment of some supervision fees was also alleged.
  • In October 2008 the State sought adjudication for violations: failure to complete treatment (1a and 1b) and deception shown on polygraphs (2); the third count (fees) was later waived.
  • At adjudication, Leonard denied true regarding counts 1 and 3; Strain testified he discharged Leonard from treatment due to dishonesty, based on polygraphs, which defense argued were inadmissible.
  • The trial court ruled 1a true and 1b false, adjudicated Leonard guilty of injury to a child, and sentenced seven years in confinement.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
May Rule 703 admit expert reliance on inadmissible polygraph data? State argues Rule 703 allows reliance on admissible data; polygraph data can underpin expert opinion. Leonard argues polygraph results are inherently unreliable and inadmissible under Romero and related precedent. Rule 703 cannot admit opinions based solely on unreliable polygraph data.
Can a 'show no deception' polygraph condition justify admitting polygraph results? State contends the condition aids enforcement of supervision and thus admissible evidence. Leonard contends the condition does not justify admitting unreliable polygraph results. No, the condition does not by itself justify admitting unreliable polygraph evidence.
Did the trial court abuse its discretion by relying on a third party's discretion to adjudicate? State contends the court properly adjudicated based on the violation of a supervision condition. Leonard argues due process requires independent, reliable basis; third-party discretion is improper. Yes, the court abused its discretion because the basis was the therapist's reliance on inadmissible polygraph results.

Key Cases Cited

  • Romero v. State, 493 S.W.2d 206 (Tex. Cr. App. 1973) (polygraph results inadmissible for all purposes)
  • Nichols v. State, 378 S.W.2d 335 (Tex. Cr. App. 1964) (polygraph results not admissible; prejudicial impact)
  • Peterson v. State, 247 S.W.2d 110 (Tex. Cr. App. 1952) (lie detector evidence not admitted; early view on reliability)
  • McKay v. State, 235 S.W.2d 173 (Tex. Cr. App. 1951) (lie detector tests generally inadmissible)
  • Daubert v. Merrill Dow Pharm., Inc., 509 U.S. 579 (1993) (gatekeeping reliability standard for scientific expert testimony)
Read the full case

Case Details

Case Name: Leonard, William Thomas
Court Name: Court of Criminal Appeals of Texas
Date Published: Nov 21, 2012
Citation: 2012 Tex. Crim. App. LEXIS 1598
Docket Number: PD-0551-10
Court Abbreviation: Tex. Crim. App.