Hadith.1115 - Saʿd ibn Ismail narrated from his father, who narrated from al-Ridha (as), that He said:
"I asked him about a man who commits sins ; should one pray behind him or not?"
Imam (as) said: "No."
Al-Khiṣāl #435“You should not stand to pray behind three people: an unfamiliar person; someone who ascribes certain boastful attributes to the Divine...
Man Lā Yaḥḍuruh al-Faqīh #1110"Do not pray behind someone who declares you to be an unbeliever (kafir), and do not pray behind someone whom you have declared to be an...