He was caught by the secret police.

A municipal police was established in my town.

He likes to take a walk in the park at dusk.

The Special Higher Police was a police organization that was active in pre-war Japan.

We should always remember the power of Kannon in difficult times.

He is working as a member of the International Criminal Police Organization.

Special judicial police officers are working hard every day to protect the law in Japan.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.