He was caught by the secret police.

A municipal police was established in my town.

He was terrified of living in a police state.

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

Police dogs are very effective in tracking criminals.

He exposed his own foolishness on Twitter.

He passed the lie detector test.

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

He was the first discoverer of that new species of plant.

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