She started investigating, and then finally went before Congress with a report.

A few months later, the police started seriously investigating the case.

In recent weeks, a lot of people have started investigating the sale.

The website www.armeniadiaspora.com is a good place to start investigating.

By the time they'd started investigating that, Kyle too was dead.

So I started investigating, and gradually it came to make sense.

He starts investigating, runs into a murder and gets in over his head.

"Why don't you just move over a few trunks and start investigating further back in time?"

Perhaps you should start investigating me, just to be sure.

He starts investigating with a young woman who was close to his girlfriend.