The arson investigator was waiting for us outside the front door.

Like the arson investigator, he'd never seen anything of the sort.

I've called our arson investigator, and he'll be by first thing tomorrow morning.

They, in turn, had called the arson investigators from our lab.

The arson investigator never was able to prove how the fire began.

He glanced over to see how far away the arson investigator was.

Rich and I stood back from his van as the arson investigator drove off.

Arson investigators have always been considered a special breed of detective.

Arson investigators said the fire was accidental, but they had not determined how it started.

The arson investigators didn't seem to have any doubts that the fire had been deliberately set.