Surah Al-Isra 17:33

وَلَا تَقْتُلُوا۟ ٱلنَّفْسَ ٱلَّتِى حَرَّمَ ٱللَّهُ إِلَّا بِٱلْحَقِّ ۗ وَمَن قُتِلَ مَظْلُومًا فَقَدْ جَعَلْنَا لِوَلِيِّهِۦ سُلْطَـٰنًا فَلَا يُسْرِف فِّى ٱلْقَتْلِ ۖ إِنَّهُۥ كَانَ مَنصُورًا

And do not kill the soul [i.e., person] which Allāh has forbidden, except by right. And whoever is killed unjustly - We have given his heir authority, but let him not exceed limits in [the matter of] taking life. Indeed, he has been supported [by the law].

Translation: Saheeh International

Tafsir

And do not slay the soul whose life God has made inviolable except with due cause. Whoever is slain wrongfully We have certainly given his heir the one inheriting from him a warrant a sanction to retaliate against the slayer; …

Excerpt from Tafsir al-Jalalayn, commentary on 17:33, via Quran.com. The reader has the full commentary and 9 more tafsirs.