Sahih Muslim , Book 54, Hadith 102 (In-Book) ⓘ
Ubaidullah has reported this hadith with this chain of transmitters (and the Words are): " There is a Jew behind me."
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ الْمُثَنَّى، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالاَ حَدَّثَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، بِهَذَا الإِسْنَادِ . وَقَالَ فِي حَدِيثِهِ " هَذَا يَهُودِيٌّ وَرَائِي " .
also referenced under: Hadith 2921 (Reference) & Book 41, Hadith 6982 (USC-MSA)