C645 The Unknown Enemy Needed to be Careful They Sneaked in(1)

Fu Xin's intelligence was spot on; there was indeed someone among the survivors who had the ability to control zombies.

What's more, he had the zombies patrolling the perimeter of the base in shifts, setting them apart from the regular undead. When the survivors were absent, the controlled zombies didn't engage in combat with the others, instead, they coexisted peacefully