His division was not being formally investigated at the time.

German police began to formally investigate him at this time.

In 1887 a federal system was set up to formally investigate fatal railroad accidents.

Justice officials are now considering whether to formally investigate three Cabinet members for their role in the tainted election campaign.

As a result of the accident a hospital was built in the town and a federal system set up to formally investigate fatal railroad accidents.

The plant is employed in traditional medicine, though its medicinal properties have not been formally investigated.

No law enforcement agency of the era formally investigated Gaines' disappearance.

Although they never formally investigated the case, Blue Book listed it as a hoax.

We have no intention nor desire to investigate formally, or to launch any informal inquiries into the incident.

Nhung's death was never formally investigated by an independent body and the official line of suicide continued to be propagated.