His statement made a lot of sense even if Hermione was often quick to think the worst she could about the other witch. There was a certain type of person that willingly became a spy and quite honestly, that wasn't Ginny. Maybe there was something to Percy's earlier observation about his sister the day they were in Ron's kitchen together. She'd apparently been very different since she brought her daughter back to the country. Was it possible that Maisie was in danger? There was very little that a mother wouldn't be willing to do if the safety of their child was at stake. Including kill her own brother. Was Rodolphus controlling Ginny with threats of harming her child? It was exactly the sort of diabolical act he was capable of committing.