Rule 606 - Competency of Juror as Witness(a)At the Trial. A member of the jury may not testify as a witness before that jury in the trial of the case in which the juror is sitting. No objection need be made in order to preserve the point.(b)Inquiry Into Validity of Verdict or Indictment. Upon an inquiry into the validity of a verdict or indictment, a juror may not be questioned as to any matter or statement occurring during the course of the jury's deliberations or to the effect of any matter or statement upon that or any other juror's mind or emotions as influencing the juror to assent to or dissent from the verdict or indictment or concerning the juror's mental processes in connection therewith, except that a juror may testify on the question whether extraneous prejudicial information was improperly brought to the jury's attention or whether any outside influence was improperly brought to bear upon any juror. Nor may a juror's affidavit or evidence of any statement by the juror concerning a matter about which the juror would be precluded from testifying be received for these purposes.Added by SCO 364 effective 8/1/1979; amended by SCO 1153 effective 7/15/1994