من لا يحضره الفقيه, volume 4, page 116

Hadith.5232 - And Imam (as) said regarding ten people who collectively participated in killing a man: "The heirs of the murdered person may choose whichever one of them they wish to execute, and the heirs of the executed person can then seek compensation from the remaining nine for nine-tenths of the blood money (diyyah)."

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.

Hadith.5233 - The Commander of the Faithful (as) ruled in the case of six people who were in the water, and one of them drowned. Three of them testified that two others had drowned him, while the two testified that the three had drowned him. Imam (as) obligated all of them to pay the blood money (diyyah). Imam (as) made the two responsible for three shares of the diyyah based on the testimony of the three against them, and he made the three responsible for two shares based on the testimony of the two against them.

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.

Hadith.5234 - Imam Ali ibn Abi Talib (as) ruled in the case of four people who were looking into a lion's pit. One of them fell in and grabbed onto the second, the second grabbed onto the third, and the third grabbed onto the fourth until they all pulled each other down onto the lion. Imam (as) ruled that the first was considered the prey of the lion, and his family was required to pay one-third of the blood money (diyyah) to the family of the second. The family of the second was required to pay two-thirds of the diyyah to the family of the third. The family of the third was required to pay the full diyyah to the family of the fourth.

Translation: Bab Ul Qaim Publications — attributed by Thaqalayn·The Arabic above is the original.