Two Dutch investigators have arrived in Bodø to help the investigation, theNorwegian police said in a statement on Monday, adding they would stay there for the rest of the week.
"Kamphuis has still not been found and the case is open for differentoutcomes, but we still haven't found anything that indicates that a crime hasbeen committed," they added.
WikiLeaks, which publishes secret information, tweeted on September 2nd thathis disappearance was "strange".
In photos circulating on social networks, Kamphuis can be seen wearingglasses with half-long blond hair and a thin beard.
WikiLeaks said he had a ticket for a flight departing on August 22nd from Trondheim, a city located more than 700 kilometres (435 miles) south ofBodø,but he did not catch it.
A phone linked to Kamphuis was briefly switched on in an area near thesouthwestern city of Stavanger, located 1,600 kilometres from Bodo, late onAugust 30th, the police said but could not confirm if he was using it.
Assange has been holed up at Ecuador's embassy in London since 2012 when hewas granted political asylum as he feared extradition to the United States toface trial over WikiLeaks' publication of secret US military documents anddiplomatic cables in 2010.
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