The police pursuing the inquiry are playing a complex role.

But no, it is even more of a trick than the police play on criminals.

In other words, if the police don't play by the rules, you go free.

Now time to find out what the hell the police were playing at.

Again, the police play a prominent part in the takeover.

This was a case in which the police would play no part.

Yet the public wants, and expects, the police to play by the rules.

The police will play an important role because they are the point of first contact, and special training is often required in this connection.

The police are active members and play a major role in all discussions.

The police have played a key role in the development of this configuration.