Story more or less made up by conman
This guy who claims he was a double has no photographic evidence of him as the double.
Those who did work with Uday and fled Iraq and became informants (so mostly trustworthy) say they never heard of him.
One person who does remember him in Iraq says he was arrested for pretending to be Uday to pick up women (so presumably he fooled nobody and police were called.)
I clued on watching him on 'banged up abroad' and at the end it was so unbelievable that I had to investigate. He's been exposed.