It turns out the FBI had mislead the local authorities about their purpose on the country. According to a timeline (.pdf) later released by the National Commissioner of the Icelandic Police, the FBI contacted Icelandic law enforcement to report Thorsadson’s embassy walk-in, and ask for permission to fly into the country to follow up. But the bureau had presented the request as an extension of its earlier investigation into Lulzsec, and failed to mention that its real target was WikiLeaks.
If I understood what you were saying this article actually confirms the other article you're referencing.
It turns out the FBI had mislead the local authorities about their purpose on the country. According to a timeline (.pdf) later released by the National Commissioner of the Icelandic Police, the FBI contacted Icelandic law enforcement to report Thorsadson’s embassy walk-in, and ask for permission to fly into the country to follow up. But the bureau had presented the request as an extension of its earlier investigation into Lulzsec, and failed to mention that its real target was WikiLeaks.
If I understood what you were saying this article actually confirms the other article you're referencing.