Commonwealth v. Quinn, 989 N.E.2d 901

After a mistrial, Quinn was retried before the same Superior Court judge and convicted of forcible rape of a child and two counts of indecent assault and battery on a child.
On appeal, Quinn contends the prosecutor’s cross-examination of the victim’s therapist exceeded permissible expert bounds and that evidence of the victim’s pregnancy at the time of her first complaint should have been admitted.
The victim was about seven during the incidents (1997–1998) and lived with her mother and the defendant, the mother’s boyfriend, for about ten years.
The abuse occurred in the victim’s playroom closet, with the defendant touching her and placing fingers in her vagina on three occasions; during the last incident, she was forced to touch the defendant’s penis.
The victim disclosed the abuse in 2007 after the defendant’s contact with the family increased in 2006 and after a prior failed trial; defense argued the victim fabricated the complaint to keep the defendant from returning home.
Prior to trial, the defense sought to admit evidence that the victim was pregnant at the time of disclosure; the trial judge excluded it under the rape shield statute, finding limited probative value and potential prejudice.

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether cross-examining the therapist exceeded proper bounds	Quinn argued cross violated expert bounds on medical testimony	Quinn argued the cross should be limited and not permit expert-like testimony	No error; cross allowed within trial court discretion
Whether pregnancy evidence should have been admitted	Quinn argued pregnancy evidence shows bias/motive to lie	Quinn argued probative value outweighed prejudice despite rape shield	Exclusion proper under rape shield statute

Commonwealth v. Bibby, 35 Mass. App. Ct. 938 (Mass. App. Ct. 1993) (prosecutor may cross-examine to fill setting and evaluate credibility)
Commonwealth v. Anestal, 463 Mass. 655 (Mass. 2012) (expert cross-examination permitted if probative and not unduly prejudicial)
Commonwealth v. Trowbridge, 419 Mass. 750 (Mass. 1995) (experts not to endorse victim’s credibility or fact of abuse)
Commonwealth v. Quincy Q., 434 Mass. 859 (Mass. 2001) (no error where expert did not link general symptoms to victim’s experience)
Commonwealth v. Allen, 40 Mass. App. Ct. 458 (Mass. App. Ct. 1996) (treating physician testimony about findings and general syndromes not improper)
Commonwealth v. Appleby, 389 Mass. 359 (Mass. 1983) (no error admitting evidence where defendant warned it might be introduced)
Commonwealth v. Ranieri, 65 Mass. App. Ct. 366 (Mass. App. Ct. 2006) (defense rights tempered by adversarial demands; not half-truth justification)