He's also insisting that all the children are biologically his despite also saying that some of their captors raped his wife.
So, yes, he could be a sketchy traitor who converted over to the Taliban's case and the discrepancies in his story are because he doesn't want to get caught
or
He's psychologically imbalanced due to the whole being in captivity for years, watching his wife get raped, infant daughter being killed and god knows what else and the discrepancies in his story are the results of him being pretty well nutterbutters.
I mean really, what man wants to admit that the children he's been caring for, the results of his wife's body, are actually the children of her rapists whom he was powerless to stop? Or that he may have done or said a whole lot of things to appease his captors and try to survive?
It's not exactly unheard of for people who are in a situation in which they are powerless to do some pretty insane things in order to give them some illusion of power over themselves. Nor is it unheard of for them to lie to themselves and others about it.
Yeah, there is something wrong with his story. The thing is what's wrong with his story doesn't prove anything about him or what his situation was.