Sahih Bukhari Volume 8, Book 82, Hadith Number 804.

Narrated By Ash Shaibani : I asked ‘Abdullah bin Abi Aufa, ‘Did Allah’s Apostle carry out the Rajam penalty (i.e. stoning to death)?’ He said, “Yes.” I said, “Before the revelation of Surat-ar-Nur or after it?” He replied, “I don’t Know.”