I'm pretty sure that the second number is overinflated. The world we live in is a very small place these days. And as much as I hate that the US military remains out of court for their various war crimes, the murdering of children in any number would be a very difficult thing to cover up - even for the US government.
PS: the gun-related moral standpoints in the United States of America have always been ambiguous at best, and downright hypocritical at worst. Don't beat yourself about it as long as your own morals aren't in this majority.
they're the same people?
That is inaccurate