In some cases you will need to be seen for further investigation and/or treatment.

He should have called for an investigation some time ago.

Some people have called for an outside investigation of the police.

But at least we can use this as a focus for our investigation.

How that had happened was a matter for future investigation.

He said there were only five staff members, including himself, for the investigation.

The bill for the investigation is likely to reach $5 million.

But, as had been the case two weeks before, there was little for the investigation to go on.

"And this is no longer a significant issue for the investigation."

In May 2009 she called for an investigation into police violence against children.