In the case of Dawud Majid Mu'Min v. Virginia, 1990, the U.S. Supreme Court ruled that a defendant's rights were not violated when evidence from an unrelated crime was introduced during sentencing proceedings for another offense. The petitioner, Mu'min, who was serving time in prison for murder and attempted rape convictions, had been granted work release to clean highways where he murdered a woman named Gladys Nopwasky. During his trial for this second murder charge in Virginia state court, evidence about his prior crimes was admitted as part of the prosecution’s argument for capital punishment after conviction. Mu’min appealed on grounds that introducing such information prejudiced jurors against him and violated his Eighth Amendment right against cruel and unusual punishment as well as Fourteenth Amendment due process protections. However, both the Virginia Supreme Court and U.S Supreme Court rejected these arguments stating that it is permissible to consider past criminal conduct while determining sentence severity - even if those acts did not result in formal charges or convictions.

In the dissenting opinion for Dawud Majid Mu'min v. Virginia, Justice Marshall argued that the majority's decision was a departure from established precedent regarding a defendant's right to question potential jurors about racial bias. He contended that given the racially charged nature of this case - where an African American prisoner stood accused of murdering a white prison guard - it was crucial to ensure an unbiased jury by allowing questions about racial prejudice during voir dire (jury selection process). The failure to do so, in his view, violated the defendant’s Sixth Amendment rights and risked undermining public confidence in judicial impartiality. Furthermore, he criticized the majority for placing undue emphasis on administrative convenience over constitutional rights.