'Uthman said: "I heard the Messenger of Allah [SAW] say: 'It is not permissible to shed the blood of a Muslim except in three cases: A man who commits adultery after having married; or one who kills intentionally, in which case he deserves retaliation; or one who apostatizes after having become Muslim, in which case he deserves to be killed.'"  

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ لاَ يَحِلُّ دَمُ امْرِئٍ مُسْلِمٍ إِلاَّ بِإِحْدَى ثَلاَثٍ رَجُلٌ زَنَى بَعْدَ إِحْصَانِهِ فَعَلَيْهِ الرَّجْمُ أَوْ قَتَلَ عَمْدًا فَعَلَيْهِ الْقَوَدُ أَوِ ارْتَدَّ بَعْدَ إِسْلاَمِهِ فَعَلَيْهِ الْقَتْلُ  

"I heard the Messenger of Allah [SAW] say: 'It is not permissible to shed the blood of a Muslim except in three cases: A man who commits adultery after having married; or one who kills another person, who is to be killed; or who reverts to Kufr after having accepted Islam, who is to be killed.'"  

سَمِعْتُ رَسُولَ اللَّهِ ﷺ يَقُولُ لاَ يَحِلُّ دَمُ امْرِئٍ مُسْلِمٍ إِلاَّ بِثَلاَثٍ أَنْ يَزْنِيَ بَعْدَ مَا أُحْصِنَ أَوْ يَقْتُلَ إِنْسَانًا فَيُقْتَلُ أَوْ يَكْفُرَ بَعْدَ إِسْلاَمِهِ فَيُقْتَلُ  

Why would they kill me? I heard the Messenger of Allah ﷺ say: ʿIt is not permissible (to shed) the blood of a Muslim except in three cases: If a man disbelieves after becoming Muslim, or commits zina after being married or kills someone and is executed in retaliation.ʿ  

سَمِعْتُ رَسُولَ اللهِ ﷺ يَقُولُ لَا يَحِلُّ دَمُ امْرِئٍ مُسْلِمٍ إِلَّا بِإِحْدَى ثَلاثٍ رَجُلٌ كَفَرَ بَعْدَ إِسْلامِهِ أَوْ زَنَى بَعْدَ إِحْصَانِهِ أَوْ قَتَلَ نَفْسًا فَيُقْتَلُ بِهَا  

"لَا يَحِلُّ دمُ امرئٍ مُسْلِمٍ إلا بِإِحْدَى ثَلاثٍ: رَجُلٌ كَفَرَ بَعْدَ إِسْلامٍ، أَوْ زَنى بَعْد إِحصَانٍ، أو قَتل نفسًا بغير نفسٍ فَيُقْتَلُ".