Opinion by
Appellant Avas convicted by a jury of first degree murder and armed robbery and sentenced to life imprisonment. After the denial of post-trial motions, this appeal was filed raising numerous contentions. The principal contention challenges the trial court’s refusal to grant appellant’s motion for a mistrial after a prejudicial statement by the prosecutor during cross-exaxniation of appellant. * We agree and vacate the judgment of sentence and grant a new trial.
The ABA Standards Relating to the Prosecution Function expressly state: “It is unprofessional conduct for the prosecutor to express his personal belief or opinion as to the truth or falsity of any testimony or evidence ... of the defendant.” ABA Project on Standards for Criminal Justice, Standards Relating to the Prosecution and Defense Function §5.8(b) (Prosecution Function) (Approved Draft 1970). The ABA Code of Professional Responsibility also provides that “. . . a lawyer shall not ... (4) Assert his personal opinion ... as to the credibility of a witness. . . .” ABA Special Committee on Evaluation of Ethical Standards, Code of Professional Responsibility, DR 7-106 (C)(4) (1969). These standards are in response to the view
The prosecutor, in branding appellant’s testimony as a “malicious lie” exceeded the permissible bounds of cross-examination. Furthermore, he injected his highly prejudicial personal opinion of appellant’s credibility into evidence, thereby clearly and improperly intruding upon the jury’s exclusive function of evaluating the credibility of witnesses. See
United States v. Schartner,
This Court has made clear “. . . that the prosecuting attorney enjoys an office of unusual responsibility, and that his trial conduct should never be vindictive or attempt in any manner to influence the jury by arousing their prejudices.”
Commonwealth v. Toney,
Considering the prosecutor’s “office of unusual responsibility” and the highly prejudicial effect of his statement, the only appropriate relief is the granting of a new trial. The judgment of sentence is vacated and a new trial is granted.
Notes
Appellant also contends: (1) the trial judge entered the case as an advocate for the prosecution; (2) the trial court erred in refusing to sustain appellant’s demurrer; (3) the trial court improperly admitted over objection illegal confessions which were based on an unconstitutional lineup; (4) the trial court improperly
