The Supreme Court refused to grant a review to Julius Jones and Tremaine Wood, two Afro-American men sentenced to die in Oklahoma despite study showing that a person was three times more likely to receive the death penalty if the victim was white: https://www.brown-watch.com/brownwatch-news/2019/1/27/supreme-ct-denies-review-of-2-black-men-challenging-racial-bias-in-oklahoma-death-penalty-both-cited-study-showing-death-sentences-are-3x-more-likely-to-be-imposed-if-the-victim-was-a-white-man
