Ibn Salamah bin Al Akwa’ repoted on the authority of his father. A spy of the polytheists came to the Prophet ﷺ when he was on a journey. He sat near his Companions and then slipped away. The Prophet ﷺ said “look for him and kill him”. He said “I raced to him and killed him. I took his belongings which he (the Prophet) gave me.

حَدَّثَنَا الْحَسَنُ بْنُ عَلِيٍّ، حَدَّثَنَا أَبُو نُعَيْمٍ، قَالَ حَدَّثَنَا أَبُو عُمَيْسٍ، عَنِ ابْنِ سَلَمَةَ بْنِ الأَكْوَعِ، عَنْ أَبِيهِ، قَالَ أَتَى النَّبِيَّ ﷺ عَيْنٌ مِنَ الْمُشْرِكِينَ - وَهُوَ فِي سَفَرٍ - فَجَلَسَ عِنْدَ أَصْحَابِهِ ثُمَّ انْسَلَّ فَقَالَ النَّبِيُّ ﷺ " اطْلُبُوهُ فَاقْتُلُوهُ " . قَالَ فَسَبَقْتُهُمْ إِلَيْهِ فَقَتَلْتُهُ وَأَخَذْتُ سَلَبَهُ فَنَفَّلَنِي إِيَّاهُ .