Dani Allen, an anti-death penalty advocate, speaks during a protest outside the prison where Robert Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Dani Allen, center left with microphone, an anti-death penalty advocate, speaks during a protest outside the prison where Robert Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Thomas Roberson, older brother of condemned prisoner Robert Roberson, protests with others outside the prison where Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Ann Dorn, a local Catholic parishioner opposed to the death penalty, protest outside the prison where Robert Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Thomas Roberson, right, older brother of condemned prisoner Robert Roberson, and Jennifer Martin, center left, holds signs with others as they protest outside the prison where Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Jennifer Martin, left, and Thomas Roberson, older brother of condemned prisoner Robert Roberson, right, holds signs as they protest outside the prison where Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Texas State Rep. John Bucy III speaks to reporters on the pending execution of Robert Roberson during an impromptu press conference outside of the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)

Gloria Rubac, left, an anti-death penalty activist, speaks during a protest outside the prison where Robert Roberson is scheduled for execution at the Huntsville Unit of the Texas State Penitentiary, Thursday, Oct. 17, 2024, in Huntsville, Texas. (AP Photo/Michael Wyke)