Isdal Woman: Norway's crime writers explain the intrigue
The case of the Isdal Woman, a mysterious woman found dead in 1970, has gripped Norway for decades.
The BBC asks crime writers Gunnar Staalesen and Monika Yndestad, and ex-crime reporter Finn Bjorn Tonder, why the case of the Isdal Woman still intrigues Norway.
Video journalist: Helier Cheung