The death could not be independently confirmed, and no body was found.

Certainly not on any of that information he couldn't independently confirm.

What's more, I can't find anyone who will independently confirm where this 90% figure came from.

The report of the fighting could not be independently confirmed.

The details of the attack could not be independently confirmed.

The source of the material could not be independently confirmed.

American officials said they had no way to confirm independently when or where the new tape was made.

I was told, but could not confirm independently, that among the victims were children and a woman in her 70's.

The facts in the article could not be independently confirmed.

However, the accuracy of the information cannot be independently confirmed.