In places of public resort, in Tirthas, in assemblies and in the houses of the citizens, the king should keep capable spies.
चत्वरेष्वथ तीर्थेषु सभास्वावसथेषु च। यथार्थवर्णं प्रणिधिं कुर्यात् सर्वस्य पार्थिवः॥