I'd say he definitely didn't have access to as much info as we do, but i also don't know how much of the info we have is actually accurate either. Where as the info he had was probably from primary sources, and confirmed by his people to the best of their ability.
And he calls it a murder too, which is an important point.
Other parts of the interview I don't fully agree with Castro on but he may not have had access to all the information that we do now for all I know.
I'd say he definitely didn't have access to as much info as we do, but i also don't know how much of the info we have is actually accurate either. Where as the info he had was probably from primary sources, and confirmed by his people to the best of their ability.