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.

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

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.