It had been to create strong zombies or fighters for the aliens against humans. So, the DNA used must have been manipulated to be strongly opposed to the opposite DNA.
But the researchers didn't expect someone to switch the alien DNA with human DNA. So, instead of Hao formula hatred and hostility towards humans, he formed it towards aliens.
This was really an unexpected gain.
"Don't worry about them. When you experience the same feeling in the future, don't hesitate, kill without mercy. If you don't kill them, they will kill you and other people around you. They might even capture you for experiments. So, don't show mercy." Leng Pan immediately started brainwashing Lu Hao to avoid him being misled in the future.
If she didn't take pre-emptive measures, then aliens might lie to him to turn against them in the future.
"Okay, I will do as my sister-in-law says." Lu Hao was very obedient, which pleased Leng Pan.
