Police dogs are very effective in tracking criminals.

He was terrified of living in a police state.

The head of the police station explained the details of the incident to the press.

He was caught by the secret police.

A municipal police was established in my town.

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.

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

He claims to have seen an unidentified flying object.

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.