Musannaf Ibn Abi Shaybah 23155 — Testimony from hearing: may he

Shurayh (may Allah have mercy on him) did not consider valid the testimony of a person who hides to overhear. Sayyiduna Amr bin Hurayth (may Allah be pleased with him) said: This is how the treacherous wrongdoer is dealt with, or he said: the wicked one.