A man in Roanoke County allegedly shouted “Allahu Akbar” while attacking a man and woman with a knife Saturday in an incident that is being investigated by the FBI.
https://www.washingtonpost.com/local...4fa_story.html
British woman, 21, killed in Australian backpackers' hostel attack by knifeman 'shouting Allahu Akbar'
http://www.telegraph.co.uk/news/2016...d-injures-man/
We may never know their real motives.