Let us correct him. He was a demon from the lowest depths of hell.
He will always be known as the monster.
Maybe some days he actually believes he was an angel of mercy. Let us correct that: He was a demon from the lowest depths of hell. Burn in hell, Mr. Cullen, for all eternity.
Sometimes, he probably believed he was an angel of mercy. Let us correct him: He was an agent from the deepest depths of hell.
The monster who played God can justify his actions; sometimes he possibly believes he was an angel of mercy.