"While we and others have reported on this in broad themes over the past couple of years, the reports are voluminous. Even if you toss out ones that are perhaps disinformation or the bias of the Afghan intelligence service, they are generally consistent with other classified reporting by American intelligence analysts that the ISI still does have connections with many of these groups that are conducting attacks in Afghanistan," Schmidt of the New York Times said.
Speaking on the condition on anonymity, a senior ISI official told ABC News today the documents amounted to "the usual rhetoric and nothing new."
"It seems to be all rubbish and maybe not worth commenting," the official said, emphasizing that the agency was still shifting through the documents.
ABC News' Nick Schifrin and Jim Sciutto contributed to this report.