St George prefers not to kill, Stealth is ready to

“They are becoming more aggressive and frequent in their attacks. We may need to take offensive measures.”
“You mean, go after them?”
“I mean locating and eliminating them.”
He furrowed his brow. “In what sense?”
“In the sense of eliminating them.”
“We’re not killers,” he said. “We sure as hell can’t be saving mankind if we go out and murder a couple hundred of them.”
“By my estimates the Seventeens have grown well into the thousands,” she said. “And unlike our group, they are mostly fighters.”
“That doesn’t matter.”
“It will.”
He slammed his hand down on the map and felt the table crack. “We aren’t going to stoop to that,” he said. “We’re the good guys. The idea is to save everyone, not just the people we like.”

Excerpt From Ex-Heroes, pg 157-158
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407