The wife of a double murderer screamed “I love you” as he was put to death at a prison in Texas on Thursday. James Broadnax maintained his innocence in a fatal 2008 robbery that killed two people up until his final breath. His case was controversial, marked by claims prosecutors misused his rap lyrics to secure his death sentence and a recent confession from his cousin. Broadnax was pronounced dead after receiving a lethal injection at the state penitentiary in Huntsville, Texas, following the US Supreme Court's denial of a last-minute appeal. He had been condemned for the shooting deaths of Stephen Swan and Matthew Butler outside a music studio in suburban Dallas. Prosecutors said Broadnax and his cousin, Demarius Cummings, fatally shot and robbed Stephen Swan and Matthew Butler. In his final statement, Broadnax remained defiant, yet sought forgiveness from the victims' relatives present. "I prayed to God for your forgiveness," he stated.…