"I know," he says with an automatic sigh, ducking his eyes for a moment. They've got forty years left of this, and he grits his teeth at how little he knew about this at the time. How little he cared about it.

"But it's going to hurt people. Lots of people. Everyone is trying to stop it, now that we know. Your help is, ah..." His face scrunches slightly as he tries to find the word. "Vital. It's vital."