Albus continued his tale: "at first, it was mostly hush hush conversations about smuggling prohibited creatures or stuff to Hogsmead or sometimes inside Hogwarts. They didn't pay us much attention, they probably thought we were too young, stupid teens who had come there for the booze."
Molly at that moment thought that his favourite grand kids should have needed a lot more of a slipper education on his sorry bottom but she sat down and tried to refrain from doing it. Scorpius was missing and Merlin only knew if he was still alive!