3. A number of our people have narrated from Ahmad ibn Muhammad from ibn Khalid from al-Qasim ibn Muhammad ibn Yahya from his grandfather, al-Hassan ibn Rashid from Muhammad ibn Muslim who has said the following: “Abu ‘Abd Allah , has said that Amir al-Mu’minin , has said, ‘You must return a trust even if an assassin of the children of the prophet has left it with you.’”