When the Sixth Amendment right to counsel has attached, do efforts by police and prosecutors to physically prevent counsel from intervening in his client's interrogation, infect the entire trial?

QUESTIONS PRESENTED When the Sixth Amendment right to counsel has attached, do efforts by police and prosecutors -the victims of one or more of the defendant’s charges -to physically prevent counsel from intervening in his client’s interrogation, infect the entire trial? Does the presentation of evidence and testimony that has no relevance to the deceased victim’s “individuality as a human being,” per Payne v. Tennessee, but rather calls the jury to arms in a war against “the forces of darkness” constitute improper victim impact evidence? ii