Conservative U.S. Supreme Court justices, led by Brett Kavanaugh, joined forces with liberals on Wednesday in what came across as a likely win for Mississippi death-row inmate Curtis Flowers in his lengthy battle against jury selection bias.

During an hourlong argument in Flowers v. Mississippi, justices from across the spectrum expressed displeasure at the handling of Flowers’ six trials for the same crime by prosecutor Doug Evans, who persistently used peremptory challenges to strike African-Americans from the jury pool.