I’m guessing by killing the parents, they can assume all legal rights to the hybrid children while completely isolating them, then they can brainwash them from birth to do what the family wants them to.
That's the only thing I can think of. It's fucked up! I'm glad he's rebelling! He deserves better. Get your man and move on with your life!
I’m guessing by killing the parents, they can assume all legal rights to the hybrid children while completely isolating them, then they can brainwash them from birth to do what the family wants them to.