#Blasphemy costs your head

Narrated Hisham ibn Salim

Abu Abd Allah [Imam Ja'far al-Sadiq] was asked about someone who insults the Messenger of Allah (ﷺ). He said: "The person nearest to him should kill him, then the next nearest, before his case is brought before the Imam."

Narrated Muhammad ibn Muslim

Abu Ja'far [Imam Muhammad al-Baqir] said: "A man from Hudhayl used to insult the Messenger of Allah (ﷺ). When word of it reached the Prophet (ﷺ), he said: 'Who will take care of this man?' Two men of the Ansar stood up and said: 'We will, O Messenger of Allah.' They set out until they reached Araba and asked about him. They found him going out to meet his flock. He said: 'Who are you two, and what are your names?' They said to him: 'Are you so-and-so, son of so-and-so?' He said: 'Yes.' So they dismounted and struck off his head." Muhammad ibn Muslim said: I said to Abu Ja'far: "What if a man insulted the Prophet (ﷺ) today: should he be killed?" He said: "If you do not fear for yourself, kill him."