Hadith.5231 - Hammad narrated from Al-Halabi from Abu Abdullah عليه السلام who said: "Imam Ali ibn Abi Talib عليه السلام ruled in the case of two men where one of them restrained the victim while the other killed him. Imam عليه السلام said: 'The killer shall be executed, and the one who restrained the victim shall be imprisoned until he dies in grief, just as he caused the victim to be held until he died in grief.'"