Let him consider it a lucky escape, if, when we next meet, he gets off scot free!
Explanations were reserved for next day, and they did not get off scot free by any means.
He gets off scot free, and neither realizes what he's done, nor pays the penalty.
It's raided from time to time, but he always manages to get off scot free.
"She paid the price, and you got off scot free," ...