Bruce jumped back. It had happened a lot quicker than he'd thought it would. He managed to avoid the mouth of the newly zombied Jack and get toward a clear way away from the situation.
There was no helping him. Bruce knew that he should put an end to the man, kill him. But he couldn't. It wasn't the same thing when you'd met somebody previously. Before they'd become the monster.
He struggled with the idea for a moment and then cursed low.
"I'm sorry, Jack."
Bruce left quickly, not killing Jack before he made his escape.