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He's known as DoubleBackJack.
Jackson Cook, a 9 year old from Wyandotte, will appear on an episode of the show American Ninja Warrior Junior.
He joins FOX 2 to talk about it.
This browser does not support the Video element.
He's known as DoubleBackJack.
Jackson Cook, a 9 year old from Wyandotte, will appear on an episode of the show American Ninja Warrior Junior.
He joins FOX 2 to talk about it.