ENOfficial
Ubaidullah has reported this hadith with this chain of transmitters (and the Words are):" There is a Jew behind me."
Source: sunnah.com
Other translations
Arabic
وَحَدَّثَنَاهُ مُحَمَّدُ بْنُ الْمُثَنَّى، وَعُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالاَ حَدَّثَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، بِهَذَا الإِسْنَادِ . وَقَالَ فِي حَدِيثِهِ " هَذَا يَهُودِيٌّ وَرَائِي " .
sunnah.com