oficjalne dochodzenie

An official inquiry later found a lack of evidence for the claim.

An official inquiry followed, as it does in the novel.

However, an official inquiry could not be any other thing.

But officials said it could take weeks or months before an official inquiry reported on the cause.

It came out the following spring, but the results of the official inquiry were kept secret.

I got him to agree that no official inquiry into what happened would be necessary.

We want to try to avoid all official inquiries on us at this point.

In 1307, however, he agreed to open an official inquiry.

If you ask me, I don't think there'll be an official inquiry.

Later, official inquiries named some of those said to have been involved.