The event led to a nationwide hunt for the missing artworks . Specific motives were unclear . However , experts claimed that the paintings must have been stolen for the thieves to demand ransom or to serve as a ``trophy robbery ' in to impress other art thieves and criminals , yet no words were heard from the thieves (AP . Just like The Scream heist in 1994 , The Scream version in Edvard Munch Museum has no set price . According to John Oeyaas , the managing director...











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