The authorities in California are still investigating what went wrong.

Authorities have not offered a cause of death and are investigating.

However, it took until 1977 before the authorities investigated the find.

The authorities have been investigating the claim since at least spring.

"And the rest of the puzzle was not something that we had the ability or the authority to investigate."

The federal authorities are still investigating some of the accidents.

We want the authorities there to investigate links to the military.

Authorities are still investigating $8 million in missing district funds.

At any rate, civil authorities in Montreal are still investigating.

The authorities are investigating whether those men also played a role in the shootings.