Authenticity of the Hadith about the Unknown Cause of Death

Question

A question regarding the authenticity of a hadith attributed to Imam Ali (peace be upon him) that states: "A time will come upon you when the slain will not know for what sin he was killed."

Answer 1

Peace be upon you. We have not found any hadith in our available books or sources that matches these exact words in our narrations. May you be successful in all good.