After years on death row where he found religion and became an artist, Richard Lee Tabler stopped fighting for clemency and even asked the courts to put him to death

Since Texas reinstated capital punishment and adopted lethal injection as its means of execution in 1977, the state has put 592 people to death, according to online records. Charlie Brooks was that first in that span. He was executed on Dec. 7, 1982 for the kidnap/murder of a Fort Worth auto mechanic.

Two men convicted of murder were executed Thursday night, marking the fourth and fifth executions in the United States this year.

Robert Roberson, a Texas death row inmate, has filed a new appeal. Roberson, who has autism spectrum disorder, claims innocence after 22 years on death row.