He is working at a construction site.

He is known as an expert in criminal investigation.

He is known as an excellent criminal investigator.

He cooperated with the police as part of a sting operation.

Every Sunday, we look forward to hearing the beautiful singing of the choir at the church.

The fire brigade quickly extinguished the fire.

The regiment of military policemen is working to maintain public order in the city.

The group of demonstrators is conducting a protest in front of the city hall.

He is a member of the U.S. Marine Corps.

There is a wonderful band in my town.