When he was 19, James Broadnax jotted down rap lyrics, thoughts and even job leads in a notebook that would become evidence at his capital murder trial. Prosecutors selected lyrics with alleged references to gang affiliation and shootings to convince jurors that instead of life in prison, Broadnax, who is Black, should be put to death after his conviction — a move his lawyers argue biased the almost all-white jury. Broadnax isn’t the only defendant or even the only person on Texas’ death row whose rap lyrics have been introduced to a jury. Rap lyrics have featured in hundreds of...