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Surah 2. Al-Baqara
Ayah 72 - 74
72 وَإِذْ قَتَلْتُمْ نَفْسًا فَٱدَّٰرَْٰٔتُمْ فِيهَا ۖ وَٱللَّهُ مُخْرِجٌ مَّا كُنتُمْ تَكْتُمُونَ
73 فَقُلْنَا ٱضْرِبُوهُ بِبَعْضِهَا ۚ كَذَٰلِكَ يُحْىِ ٱللَّهُ ٱلْمَوْتَىٰ وَيُرِيكُمْ ءَايَـٰتِهِۦ لَعَلَّكُمْ تَعْقِلُونَ
74 ثُمَّ قَسَتْ قُلُوبُكُم مِّنۢ بَعْدِ ذَٰلِكَ فَهِىَ كَٱلْحِجَارَةِ أَوْ أَشَدُّ قَسْوَةً ۚ وَإِنَّ مِنَ ٱلْحِجَارَةِ لَمَا يَتَفَجَّرُ مِنْهُ ٱلْأَنْهَـٰرُ ۚ وَإِنَّ مِنْهَا لَمَا يَشَّقَّقُ فَيَخْرُجُ مِنْهُ ٱلْمَآءُ ۚ وَإِنَّ مِنْهَا لَمَا يَهْبِطُ مِنْ خَشْيَةِ ٱللَّهِ ۗ وَمَا ٱللَّهُ بِغَـٰفِلٍ عَمَّا تَعْمَلُونَ
[72-74] You should also recall to mind another incident: You slew a man and began to dispute about the murder and accuse one another of it, but Allah had decreed that what you were trying to hide should be disclosed. So We commanded, "Strike the corpse of the murdered man with a part of the sacrificed cow. See how Allah brings the dead to life and shows you His Signs, so that you may understand".85 But even after seeing these Signs your hearts hardened and became as hard as rocks; nay, even harder than rocks. For there are some rocks out of which springs gush forth, and others which split open, and water issues out of them; then there are some which tumble down for fear of Allah. And Allah is not unaware of what you are doing.
85The wording of the Qur'an clearly shows that the murdered man came to life for a little while and told the name of his murderer. However, there is some ambiguity concerning the method applied for discovering the murderer, that is, the striking of the dead body of the murdered man with a piece of "the sacrificed cow". A method similar to this described in Deut. 21: 1-9, confirms the interpretation put forward by the ancient scholars, that is, the dead body was struck with a piece of the flesh of the sacrificed cow and it came to life. In this way, a Sign of Allah was shown and at the same time it was demonstrated that the object of their worship was so powerless that its slaughter did not cause any harm. On the contrary, its slaughter proved useful.