On Point: G. Opinions/experts, Ch. 907

State v. Bradley Alan St. George, 2002 WI 50, reversing unpublished court of appeals decision
For St. George: Donald T. Lang, SPD, Madison Appellate

Issue: “Was the circuit court’s exclusion of the testimony of the defendant’s expert witness an erroneous exercise of discretion, or alternatively, a deprivation of the defendant’s constitutional right to present evidence, as the defendant asserted?” ¶2

Holding: The trial court’s rejection of the expert was based on his lack of extensive experience in the area;

State v. Bradley Alan St. George, 2002 WI 50, reversing unpublished court of appeals decision

For St. George: Donald T. Lang, SPD, Madison Appellate

Issue: “Was the circuit court’s exclusion of the testimony of the defendant’s expert witness an erroneous exercise of discretion, or alternatively, a deprivation of the defendant’s constitutional right to present evidence, as the defendant asserted?” ¶2

Holding: The trial court’s rejection of the expert was based on his lack of extensive experience in the area;

State v. Tito J. Long, 2002 WI App 114, PFR filed 5/23/02
For Long: Ann T. Bowe

Issue/Holding: Officer’s background, including “gang training” and investigations into numerous gang-related shootings, made him qualified to testify as to gang activities in city. ¶26.

State v. Carlos R. Delgado, 2002 WI App 38
For Delgado: Richard D. Martin, Diana M. Felsmann, SPD, Milwaukee Appellate

Issue/Holding:

¶8. After reviewing these cases, we can discern some general rules: (1) an expert witness can offer opinion testimony only if it complies with Wis. Stat. § 907.02; (2) the testimony can include opinions regarding symptomatology common to child sexual assault victims; (3) the testimony can include a description of the symptoms exhibited by the victims;

State v. Larry J. Sprosty, 2001 WI App 231, PFR filed

For Sprosty: Jack E. Schairer, SPD, Madison Appellate

Issue: Whether the trial court erred in refusing to qualify a social worker as an expert in this Ch. 980 supervised release proceeding.

Holding: Because the witness had “expertise with respect to treating sex offenders … she was qualified to give her opinion on the ultimate issue.” ¶29.

State v. Joseph F. Rizzo, 2002 WI 20, reversing and remanding 2001 WI App 57, 241 Wis. 2d 241, 624 N.W.2d 854
For Rizzo: Franklyn M. Gimbel

Issue1: Whether testimony by a state’s expert amounted to “Jensen” testimony, i.e., expert opinion that the sexual assault complainant’s behavior was consistent with that of sexual assault victims in general.

Holding:

¶21.

State v. Larry J. Sprosty, 2001 WI App 231, PFR filed
For Sprosty: Jack E. Schairer, SPD, Madison Appellate

Issue: Whether the trial court erred in refusing to qualify a social worker as an expert in this Ch. 980 supervised release proceeding.

Holding: Because the witness had “expertise with respect to treating sex offenders … she was qualified to give her opinion on the ultimate issue.”

State v. Aaron Evans, 2000 WI App 178, 238 Wis.2d 411, 617 N.W.2d 220

For Evans: Steven D. Phillips, SPD, Madison Appellate

Issue: Whether the trial court erroneously exercised discretion in preventing a DNA expert from sitting at counsel table.

Holding: “|10 We are satisfied that, on this record, the circuit court did not erroneously exercise its discretion in denying Evans’s request that Friedman be exempted from the sequestration order.

State v. John J. Watson, 227 Wis.2d 167, 595 N.W.2d 403 (1999), reversing unpublished decision
For Watson: Richard D. Martin, SPD, Milwaukee Appellate

Holding: Admissibility of a psychologist’s (preliminary hearing, 980 proceeding) testimony that Watson’s crime was sexually motivated is upheld:

¶ 52. … While the average lay person may be able to draw reasonable inferences from facts, an expert ought to be able to show how a person’s offense relates to the person’s purported mental disorder,

State v. Rodney G. Zivcic, 229 Wis.2d 119, 598 N.W.2d 565 (Ct. App. 1999)
For Zivcic: John J. Carter

Holding: The trial court’s discretionary determination to admit expert testimony on the HGN sobriety test is upheld. In particular, specialized knowledge in the “underlying principles” of HGN testing isn’t necessary. All that’s required is expertise in administering and evaluating the test.