He is engaged in the geological investigation of that area.

The police investigated the scene.

We conducted an investigation on that issue.

The police rushed to the actual spot.

His perception was sharp, and he immediately saw through the lie.

He deeply considered the problem.

The police are conducting an investigation at the scene.

He went to the police station and reported the theft.

The police collected evidence from the crime scene.

He is working at a construction site.