Michael Grant said this quote

I’m killing Zil. Clear enough? I’m putting him down.”“Whoa, man,” Edilio said. “That’s not what we do. We’re the good guys, right?”“There has to be an end to it, Edilio.” He wiped soot from his face with the back of his hand, but smoke had filled his eyes with tears. “I can’t keep doing it and never reaching the end.”“It’s not your call anymore,” Edilio said.Sam turned a steely glare on him. “You too? Now you’re siding with Astrid?”“Man, there have to be limits,” Edilio said.Sam stood staring down the street. The fire was out of control. All of Sherman was burning, from one end to the other. If they were lucky it wouldn’t jump to another street. But one way or the other, Sherman was lost.“We should be looking to save any kids that are trapped,” Edilio said.Sam didn’t answer.“Sam,” Edilio pleaded.“I begged Him to let me die, Edilio. I prayed to the God who Astrid likes so much and I said, God, if You’re there, kill me. Don’t let me feel this pain anymore.”Edilio said nothing.“You don’t understand, Edilio,” Sam said so softly, he doubted Edilio could hear him over the roar and crackle of the fire raging all around them. “You can’t do anything else with people like this. You have to kill them all. Zil. Caine. Drake. You just have to kill them. So right now, I’m starting with Zil and his crew,” Sam said. “You can come with me or not.