Benjamin Vanderford, 22, said he posted the 55-second clip, which shows a knife sawing against his neck, on an online file-sharing network in May.
Question: Mr Vanderford said he filmed his own mock execution in a friend's garage to show how the media could be fooled.
no

Climate change is with us. A decade ago, it was conjecture. Now the future is unfolding before our eyes. Canada's Inuit see it in disappearing Arctic ice and permafrost.
Question: Greenhouse effect changes global climate.
no

Anna Politkovskaya was found shot dead on Saturday in a lift at her block of flats in the Russian capital, Moscow.
Question: Anna Politkovskaya was murdered.
yes