It is narrated from Sayyiduna Samurah bin Jundub (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever kills his slave, we will kill him; and whoever cuts off a limb of his slave, we will cut off his limb."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 6907