FILE – In this image from video, prosecutor Jerry Blackwell, gives rebuttal during closing arguments April 19, 2021, in the trial of former Minneapolis police Officer Derek Chauvin, in Minneapolis, Minn. President Joe Biden on Wednesday, June 15, 2022, nominated Blackwell, one of the key prosecutors in the murder trial of former Minneapolis Officer Derek Chauvin for the killing of George Floyd to be a federal judge in Minnesota. (Court TV via AP, Pool File)