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.

Danma is my best friend.

He has a shotgun.

This cannon can fire grapeshot.

This clock is running using a mainspring.

He was involved in the development of guided missiles.

He knows the horror of a napalm bomb.