Roof, who was convicted of killing nine people at Emanuel African Methodist Episcopal Church in Charleston in 2105.
After he showed no remorse for the killings, the jury unanimously approved the death penalty.
Bishop Guglielmone lamented the decision, saying:
We are all sinners, but through the father’s loving mercy and Jesus’ redeeming sacrifice upon the cross, we have been offered the gift of eternal life. The Catholic opposition to the death penalty, therefore, is rooted in God’s mercy. The church believes the right to life is paramount to every other right as it affords the opportunity for conversion, even of the hardened sinner.