Mr. Miranda was in Berlin to deliver documents related to Mr. Greenwald’s investigation into government surveillance to Ms. Poitras, Mr. Greenwald said. Ms. Poitras, in turn, gave Mr. Miranda different documents to pass to Mr. Greenwald. Those documents, which were stored on encrypted thumb drives, were confiscated by airport security, Mr. Greenwald said. All of the documents came from the trove of materials provided to the two journalists by Mr. Snowden. The British authorities seized all of his electronic media — including video games, DVDs and data storage devices — and did not return them, Mr. Greenwald said.
http://www.nytimes.com/2013/08/19/world/europe/britain-detains-partner-of-reporter-tied-to-leaks.html?_r=2&
Miranda went to Berlin. He delivered "documents related to Mr. Greenwald's investigation into government surveillance to Ms. Poitras." That's pretty clear but those are not necessarily the documents that Miranda had at the time he was stopped in London since he was delivering those documents to Poitras in Berlin.
"Ms. Poitras, in turn, gave Mr. Miranda different documents to pass to Mr. Greenwald. Those documents, which were stored on encrypted thumb drives, were confiscated by airport security, Mr. Greenwald said." So, Miranda returned with a different set of documents from Poitras for Greenwald. They were the documents that were encrypted and stored on documents, and it was those documents that were confiscated. We do not know what was on them, but the article says they were not the documents that Snowden gave to Greenwald since they originated with Poitras, not with Greenwald.
Then the author of the article, in an unattributed sentence asserts that "All of the documents came from the trove of materials provided to the two journalists by Mr. Snowden." The journalist does not explain who told him that or how he knows it, and he does not identify what trove of materials are being discussed. It could be video of Snowden to be transmitted to Snowden's family or attorneys. It could be the surveillance-related documents. Those documents could be Snowden's last will and testament. We do not know. We will have to wait and see.
Those who have advised waiting for facts should read this cautiously and not jump to conclusions. That they are the documents that Snowden collected at Booz and Allen is possible, but it is also possible that they are not those documents.
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