What sin could be greater than killing a human?

What sin could be greater than killing a human? Well, The (PBUHH) and Imam Ali (AS) killed many unbelievers! They did this to comply with Allah’s regulations. Also killing a person during self-defence or when protecting believers from the assault of a non-believer, is not a crime. Moreover, in many instances, the sin of the prophets mentioned in the Quran is the act they have committed which is considered a violation by the tyrants of their time and NOT by Allah.

It means that the governor considered such a prophet as GUILTY of a specific act.…