McGonagall stared at her in fascinated horror. Merrily, Hermione guided Dumbledore on a macabre question and answer session to reveal everything he knew and did, bringing McGonagall and Harry up to speed. The Scottish woman looked murderous. "Headmaster Snape pointed out we might need him for information he managed to hoard from us." The older woman looked at her. "I wanted to burn his portrait after my first conversation with him."