Sahih Bukhari
Gifts
Volume: 003 / Book Number: 047 / Hadith Number: 786
Narrated Anas bin Malik:
A Jewess brought a poisoned (cooked) sheep for the Prophet who ate from it. She was brought to the Prophet and he was asked, "Shall we kill her?" He said, "No." I continued to see the effect of the poison on the palate of the mouth of Allah's Apostle .