This was broadcasted yesterday on Belgian Public Television channel Eén, in the programme "Koppen"

Omar Bin Laden, Osama's Son speaks:

"Last time i saw my father on TV, he looked like my father...but sometimes...something very strange...makes you feel difficult to believe this is the same person as your father. ... Maybe they made a copy of my father and say he says this or he says that"

The complete item can be viewed here.