An efficient FBI agent does not make any bones about carrying out his duties.

The police were heading for a shake down.

The police searched the house and seized 2 kilograms of heroin.

The rescue party searched for the missing passengers.

There's a price on our heads.

I was asked to cooperate with them for the criminal investigation.

I don't want the investigation to burn out.

The police are conducting an investigation.

The police looked into that incident.