وَقَالَتْ لِأُخْتِهِ قُصِّيهِ فَبَصُرَتْ بِهِ عَن جُنُبٍ وَهُمْ لَا يَشْعُرُونَ

She said to his sister, ‘Follow him.’ So she watched him from a distance, while they were not aware.