Maybe Gena didn't remember it because she was changed by it? The only other person he could think of that might still remember was Jon's best friend Karyn. Maybe he could approach her about it. She seemed like the reasonable sort. Maybe he could still rectify all of this.
As he roamed the halls of the high school, he'd been focused on everything around him, but not himself. So, when a teenage girl hurried up to him, he was surprised when she said, "Where have you been?," and grabbed his arm. "Someone said Davison took you to the office," she said.
"Umm..yeah...but I'm trying to find Karyn Black..."
"Ugh...why? You can look for that loser later...we're already behind..."