Meanings of independent corroboration in English

But so far officials have found no independent corroboration of such a communication.

I mean credible... uh, independent corroboration on some of the facts relating to the investigation.

I believe that's what journalists call independent corroboration.

Getting watertight independent corroboration of anything that happens in Pakistan's tribal badlands is, however, a tall order.

Scientists in America have reported the first independent corroboration of the research findings of Dr Andrew Wakefield.

An official confirmed to Reuters the detail of the intercepts, but there has been no independent corroboration.

She has been supported by her husband and uncle; there is no independent corroboration of their allegations.

I won't publish the facts unless you tell me I can or unless I get independent corroboration from another source.

There is little independent corroboration for the reporting and some of the information is likely to have been obtained under duress.

Pakistani security forces have shown Western journalists locations where children were said to have been trained, although there was no independent corroboration available.

I will have independent corroboration of everything I ask you, and if you lie to me, it will go very hard with you.