ENOfficial
It was narrated from Samurah that the Prophet (ﷺ) said: "Whoever kills his slave, we will kill him, and whoever mutilates his slave, we will mutilate him."
Source: sunnah.com
Other translations
Arabic
أَخْبَرَنَا نَصْرُ بْنُ عَلِيٍّ، قَالَ حَدَّثَنَا خَالِدٌ، قَالَ حَدَّثَنَا سَعِيدٌ، عَنْ قَتَادَةَ، عَنِ الْحَسَنِ، عَنْ سَمُرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " مَنْ قَتَلَ عَبْدَهُ قَتَلْنَاهُ وَمَنْ جَدَعَ عَبْدَهُ جَدَعْنَاهُ " .
sunnah.com