Piles of dead bodies had already been brought out and identified. As Humfree had stated, he had been keeping an eye on the Reborn group for a while, so he had a type of list of who was part of the Reborn group.
There were even some zombies there that he had invited over to the Dark Zombies, but they had refused to join, eventually joining the Reborn Zombies. He wouldn't have punished them just because they chose to join another side.
What it did show was that nearly every Reborn zombie had been killed, which was why there was the big question in their mind, what happened to Sarah?
"Sarah." Skittle said. "She was the first to realise that the fight was a lost cause. When X had already lost to Buke, she had given the order to everyone, to escape, to run away and do whatever they could to survive.
"The Reborn group had attempted to do that, but the Zombie Hunters were ruthless and powerful."