Well, I watched them in the wrong order. But looking at part 9,the Navy Seal featured appeared to be NA and was said to have the warrier gene.
It's relevant to remember that the literature led us to think that antisocial personality may actually be more common in NPA type Ns. The description of antisocial appears to be callousness, pseudomaturity, coolness, etc., in the face of stress- sounds like N?
This young man sounds like a charismatic N. Maybe things will improve in his life?
In contrast MAOA, low activity, the warrier gene appears to associate with Aggression trait (quick anger, vengeful, active, etcs.)