A minaret is the tallest building in every city.
It is solemn and towering, standing there quietly watching every investigator who comes back alive.
The rooftop of the minaret had listened to his oaths, been stained with his blood, and was ultimately destroyed by his will. He had no attachment to the spire, but he loved humanity.
The profession of policeman gave him a natural sense of mission, so no matter what, he would go to the night of death peacefully for the sake of the people he loved.
Purpose: Contribution to society