The police theory at this point was clear enough.

Or what he hoped would be the police theory.

"All of the errors seemed to conform to police theory in the case," he said.

Chief support to the police theory was the murderer's return to the scene of crime.

In ninety per cent of its details, the police theory was wrong.

At least, that was the easy and convenient police theory.

The police theory was simply the jargon that covered the tune.

He seems to agree with the police theory that your father was killed by a stranger.

The police theory seemed to be turning into fact.

"Is it your own opinion that the official police theory is right or wrong?"