On the trail of Kenya attack suspect
18 October 2013 Last updated at 00:09 BST
One of the men suspected of carrying out the attack on a shopping centre in Kenya has been identified, following a BBC investigation.
He is Hassan Abdi Dhuhulow, a Norwegian national, of Somali origin, who has been recognised in CCTV images.
More than 60 people were killed in the sustained attack, which began on September 21, carried out by Al-Shabab militants.
The BBC's East Africa correspondent Gabriel Gatehouse travelled to southern Norway for this exclusive Newsnight report.