He had reason to kill. He killed for the same reason the Romans had cruxifiction. To show what would happen to those who tried to revolt. If you ask me Iraq seems to be in a worst state now than it was under Saddam, alot worse. Now everyone is trying to fight for the power and alot more people are dieing, tensions between the muslim sects are higher than ever and what is most likely to happen is civil war which would of never happened under Saddams rule.